나는 온라인 게임을 판매하는 프로그래머 또는 회사 / 나는 다음과 같은 서버를 사고 싶다. 계보 영원한 - NCSOFT 잃어버린 방주 Mu2- 웹젠 다른 사람들과 누군가가 연락을하거나 파일에 연락 한 경우 내 얼굴 접촉 또는 여기 얼굴 : -------------------------------------------------------------------------------------------------------- I am looking for a programmer or companies that sell online games / I want to buy servers like: Lineage Eternal-NCSOFT Lost Ark Mu2- Webzen among others if someone has contact or has the files contact my face to contact or here face: --------------------------------------------------------------------------------------- Procuro programador ou empresas que vendem jogos onlines/ quero comprar servidores como: Lineage Eternal-NCSOFT Lost Ark Mu2-
I am in need of an industrial automation professional with a specialised experience in PIC programming and equipment integration. The project involves working with hotpress. • Your task will be to program Peripheral Interface Controllers (PIC) and integrate this with our existing equipment. • Further, knowledge in temperature control and pressure monitoring systems for hotpress is essential, as you'll be required to implement these functionalities in our automation system. Ideal skills and experience for this role would be: • Extensive PIC programming experience. • Experience with hotpress equipment. • Sound understanding of temperature control and pressure monitoring in automation systems. Your ability to successfully implement these t...
I am looking for a programmer to develop a software application. The application should have a user-friendly interface, be highly functional, and should be designed keeping scalability in mind. Key Requirements: - Proficiency in one or more of the following languages: Python, Java, C++ - Experience in software development - Ability to create a user-friendly interface - Knowledge of best coding practices and ability to ensure high performance and scalability. If you are comfortable working with the above requirements, please bid for the project.
I'm looking for a skilled programmer to add a dark/light toggle icon feature into the documentation section of my website. It's a MERN stack website, and the primary purpose of this feature is to enhance readability. Ideal candidates for this project should: - Have experience with MERN stack - Demonstrate previous relevant work in their proposal Please include samples of your past work in your application. Thank you!
I need a skilled programmer proficient in GPT API and Python to build an efficient tool. This will analyze numerous English business service reviews and develop a concise summary in bullet points, focusing primarily on the major points. These summaries should distill the key aspects into 300 words or less. The main purpose of these summaries is to highlight the essential insights of the reviews, enhancing the reader's comprehension and minimizing their reading time. Ideal candidates should have: - Advanced experience in GPT API and Python. - A portfolio displaying similar language processing projects. - An aptitude for distilling large volumes of text into clear, concise points. - Familiarity with analyzing business service reviews.
I need an expert WordPress programmer who can create custom functions for my website. Currently, I need to fix two things: I have a list of offers in the hotel tab of each individual hotel, and I want to open them using a custom button rather than the native link of the accordion. If I post an offer for a hotel, that offer should only be visible for that specific hotel. However, at the moment, it is shown in all hotels, even though I select the hotel to associate these offers with from a select box in the control panel during the posting phase. This involves creating custom queries for WordPress. I usually use PHP/MySQL, but for this new version of the site, I am using WordPress. The total budget is 15 USD it's not a demanding job for an expert. I am attaching images to cla...
I'm seeking a distinguished programmer fluent in Java and C. Experience in both languages is essential, as the project will involve intricate tasks that require thorough understanding of the languages. I appreciate precision, good communication, and dedication. Although there's no specific deadline, I put great value on progress and regular updates. Please include examples of your previous programming work in the bid. Skills/Experience: - Proficiency in Java and C - Strong problem solving abilities - Excellent communication - Attention to detail
I'm in need of an Expert Excel programmer to help design a user-friendly Excel sheet focusing on stock and ledger management. Specifically, I'm interested in: - Incorporating Automatic Calculations: The ideal candidate should be able to create a system that automates complex calculations based on data inputs. - Dropdown menus: The sheet should offer an easy interface with dropdown menu options for hassle-free data inputs and editing. - Linking Stock and Sales: The sheet should be designed in such a way where the inventory updates automatically from sales data. So, a keen understanding of Excel's data integration and interconnection capabilities is necessary. - Essential Data Fields: My Excel sheet needs to include specific data fields like stock name, quantity, and c...
I am urgently in need of a Latex/Tikz programmer to help create several graphics for my physics research paper. Graphics Required: - Graphs - Diagrams - Charts - 3D graphics The graphics should be of moderate complexity. Previous experience in creating scientific graphs and figures essential, and a knowledge of physics is highly beneficial. Your role will involve understanding the scientific data and generating visuals that best represent the given information. The graphics need to be clear, accurate and professional, as they will be used in a published paper. Ideal Skills: - Expertise in Latex and Tikz programming - Experience in creating scientific graphs, charts, and diagrams - Knowledge of physics - Detail-oriented - Time-efficient and able to meet deadlines Please bid...
Seeking a highly skilled Tikz and Latex programmer to create a variety of graphics and tables for my research paper. Types of Graphics: The project will require the creation of: - Diagrams - Plots - 3D Representations - Tables Role of Graphics: The graphics and tables produced will serve to: - Illustrictate complex concepts - Visualize data - Compare and contrast research results Required Skills: The ideal candidate for this project should be proficient in: - Tikz - Latex Your contribution will play a crucial role in enhancing the visual appeal and readability of my research paper. Prior experience in similar projects would be advantageous. Let's make science more understandable and engaging!
...Regulation: Conversion of 24V input to 12V and 5V outputs. MOSFETs: 5 MOSFETs for 24V, 7A control. 4 MOSFETs for 12V, 5A control. Communication: USB Type-C for robust serial communication. Inputs and Outputs: 2 analog inputs. 1 One Wire communication interface. Additional pins for digital input/output as required. Deliverables: Complete PCB design files ready for manufacturing, including gerber files. Schematic capturing and PCB layout. BOM (Bill of Materials) with sourcing options. Documentation for assembly, testing, and troubleshooting. Qualifications: Proven track record with PCB design for power-intensive and multi-function projects. Proficient with voltage regulation techniques in PCB designs. Familiarity with RP2040 microchip and serial communication protocols. Proficien...
I am on the lookout for a highly skilled electrical designer with in-depth knowledge of electrical and schematic designs for commercial, residential, and institutional and healthcare projects an asset. Your role will involve: - Designing electrical design and schematics for commercial spaces including but not limited to office spaces, retail stores and restaurants - Creating detailed layouts that ensure safety and comply with all electrical codes and standards - Conducting thorough load analysis to optimize electrical system performance Having previous experience in electrical design will help to better understand the job requirements and deliver high-quality results. This project involves all aspects of electrical design including residential, commercial, healthcare, and inst...
I am seeking a talented mechanical designer with expertise in any 3D software who can support with the digital 3D prototyping phase of my project. The output files must be parametric files that can opend by FreeCad (I not accepted any mesh files as output). Main duties include: - Making use of 3D SW to crea...requirements. Ideal Skills: - Proficiency in 3D software - Extensive experience in 3D prototyping - Strong communication skills - Attention to detail - Experience in the field of mechanical design. Please share your past projects related to 3D mechanical prototyping using FreeCad to support your bid. The design includs a differential unit (reduced to 3 tooth wheels) and a freewheel ratchet. A schematic description will be sent to the cadidate freelancers. This is a su...
Web Developer Needed I am looking for a skilled web developer to create an E-commerce website with custom functionality. Main goal of the website: - E-commerce platform to sell products online Requir...web developer to create an E-commerce website with custom functionality. Main goal of the website: - E-commerce platform to sell products online Requirements for successful freelancers: Need web developer who can develop my website similar to this () within my budget. Point to be noted It should be user friendly interface It should be easier for me to upload pic or edit pricing or comments Design to coding should be done perfectly. Last but not the least PRICING should be within my budget if someone needs higher amount then please don't apply. Thanks
Adjust an open source project so it works on ARM. I am looking for an experienced C programmer who can modify some C software (open source, on github - ) to make it compile for Raspberry Pi. The modifications needed include: 1. Updating Library Dependencies: Your task will include updating necessary library dependencies. 2. Adjust Hardware-Specific Code: Some parts of the code will need to be adjusted in order to work with Raspberry Pi's /ARM. 3. Fix Compatibility Issues: Tune up the code to address any compatibility issues that might arise during the Raspberry Pi compilation. A successful application should showcase your previous experience especially in handling similar projects. Evidence of past work will be highly regarded but is not a necessity
I am seeking a proficient programmer to develop a scraping application for the purpose of extracting text data from NETFLIX. This project is sensitive, considering that the targeted websites demand API keys for access. Accordingly, the ideal candidate should be familiar with both GET and POST methods as well as API integration and management. Experience with data extraction and web scraping from API authenticated websites is a must. Skill requirements: • Web scraping • HEADERS • CUSTOM HEADEARS • STRINGS • URLLIB • Working knowledge of GET & POST methods • Experience with API authentication • Exceptional skills in data extraction, especially text. • loliscript • SilverBullet i need to get a netflix mass account checker through ...
...focusing on building wiring. This project is for a college assignment. The project requires the preparation of the following AutoCAD drawings: Containment Drawing: Showcasing the paths and management of electrical conduits and other containment systems. All containment will be mounted on suspended Unistrut brackets, with a minimum of 800mm of space above the false ceiling. Single Line Schematic: A detailed schematic for the main distribution board, illustrating the arrangement and connections of switches, fuses, circuit breakers, and other electrical components. Layout Drawings: These will include separate sheets for: Fire Alarm System: Displaying all devices and their connections throughout the building. General Services & Power: Illustrating the placement and rou...
...any further details or access to specific files or systems, please don't hesitate to ask. Deadline: I am looking to have this issue resolved within 3 days. Timing is critical Budget: Partial work or incomplete outcomes have no value. I will not pay for a partial completion. Any need for review or revision must be included in initial quote PLEASE DO NOT BID A STARTER PRICE; I WILL ONLY HIRE A PROGRAMMER BASED ON THEIR INITIAL OFFER...
I'm currently in pursuit of a Python programmer familiar with game development. The project's key focus is on developing an adventure type game with a comprehensive structure of multiple levels. Key Features Required: - You will need to design diverse environments for each level. Skills & Experience: - Strong command of Python - Prior experience in game development, preferably adventure games. - Creativity in game design. - A keen understanding of level design and progression. Your innovative insight would be highly beneficial to the creation of a captivating and challenging game. Plus, you should be able to meet deadlines faithfully and have a knack for detail. I look forward to working collaboratively with you, sharing ideas, and pushing the boundaries of what ...
I'm looking for a MATLAB programmer with expertise in developing advanced algorithms. The ideal candidate should be able to develop a program based on the water cycle algorithm for optimizing a given function.
I'm looking for a skilled Python programmer to assist in creating a metrics system for my data analysis project. Below are the key aspects of the project: - Data Type: The project will primarily involve the processing and analysis of text data. Prior experience with this data type is a definite advantage. - Goal: The main objective of this project is to perform in-depth data analysis. I need the freelancer to assist in developing metrics and calculations for the data. - Deliverables: The final output should be presented in a report format. Ideal skills for this project would include expertise in Python, data analysis, experience with text data, and the ability to create comprehensive reports. I want to write a python code for the following calculation of Code Synchronizat...
I'm seeking an experienced WordPress programmer to carry out an array of customization tasks on my upcoming website. The duties involve theme customization, plugin development, and the addition of a custom functionality in order to make my site a fit for an informational purpose. Key Responsibilities: * Theme Customization: You will help select a suitable theme and customize it according to the envisaged aesthetics and functionality requirements. * Plugin Development: You will develop and integrate necessary plugins to enhance site usability and optimize performance. * Create Custom Functionality: You will build unique features to meet specific informational needs of the site. Ideal Skills & Experience: * Demonstrated proficiency in WordPress programming. * Strong ...
I am seeking a Python C++ programmer who can assist me with the D400 Terminal. The primary task involves cloning software from a functioning D400 Terminal to a non-working one (because it ask for program). Ideal skills and experience: - Proficient in Python and C++? - Prior experience with software cloning - Familiarity with D400 Terminal (wich is a tool/machine/screen for concrete truck). Manual for D400 Terminal:
I'm searching for a skilled Tikz savvy programmer to produce visually engaging and clear LATEX figures to elucidate key concepts in my scientific paper. I require someone who can incorporate the following: - Effective and intelligent use of color to highlight key ideas and relationships. - Thoughtful inclusion of dimension and perspective to bring the concepts to life. - Careful placement of text labels to ensure clarity and ease of understanding. No need for interactivity or animation, static figures will suffice. An ideal candidate will showcase a solid background in scientific illustration, comprehensive knowledge in using Tikz within LATEX, and a talent for translating complex theories into easily digestible visuals.
I'm on the lookout for a highly skilled JavaScript programmer capable of developing a multiplayer snake game similar to the popular game Slither. Key Responsibilities: - Design and implement a fully functioning and optimized snake multiplayer game using client-server architecture capable of thousands of simultaneous players. Ideal Skills and Experience: - Proficiency in JavaScript and multiplayer game development. - Strong understanding of how to implement multiplayer networking games using node.js and WebSockets. This task particularly requires experience in creating games for web browsers using JavaScript, node.js, and WebSockets. Gaming creativity, back-end architecture knowledge for multiplayer games, and an ability to meet deadlines consistently will stand you in goo...
We're looking for a programmer skilled in scraping and converting APIs into PHP or Python code (reverse engineering)! If you have the following skills, join us: 1. Proficiency in JavaScript: Ability to work with this popular programming language and fully interpret and modify codes. 2. Knowledge of Cryptography: Ability to understand and use cryptographic algorithms and methods to comprehend how data is encoded and to transform unencrypted data. 3. Familiarity with Progressive Web Apps (PWA): Deep understanding of PWA structure and methods to bypass installation on iOS. 4. Experience with network monitoring and traffic analysis software such as Fiddler: Ability to use these tools for analyzing network traffic and related information, including identifying and addressing PWA...
I'm seeking a skilled programmer to redesign and enhance the aesthetics of my e-commerce website. Key considerations for this project include: - Revamping and modernizing the existing site interface. Expertise in Html, Css, and Java is a must. Graphics and banners need a complete overhaul. However, no changes are required in our logo. - The main purpose of the website is e-commerce. It's crucial for the freelancer to have a strong understanding of online retail dynamics. - Implementing a functional and user-friendly shopping cart is of the highest priority. Past experience in developing e-commerce features, particularly shopping carts, will be highly regarded. Note: Bidders need to showcase samples of their previous work, primarily related to e-commerce sites. Ideally,...
...design principles The main objectives of the game are for players to complete quests, explore a detailed world, and solve puzzles and riddles. If you have a strong portfolio of similar projects, and you're confident you can deliver a polished and engaging experience, I'd like to hear from you. **ROBLOX STUDIO IS A MUST** All work will be completed in a TEAM CREATE server with only myself and the programmer having access. This will allow testing to be done so that the stages are correctly working. All details will be provided via a google document explaining each stage/Phase of the project work. - If you feel you are a valid fit for this project please provide answers to the following questions as well as attaching any portfolio you may have providing evidence of expe...
I need an experienced programmer to develop a custom-built website for a Loadshedding scheduler. The project has a high priority and needs to be completed as soon as possible Before 20 May 2024 Basics Summary: The Load shedding Scheduler System is a comprehensive solution designed to address the challenges associated with managing and implementing load shedding in an efficient and organized manner. As electricity supply continues to be a critical issue in Zimbabwe, it is imperative to have a system in place that can effectively manage the limited supply of electricity during periods of high demand or supply constraints. The Load shedding Scheduler System aims to provide utilities, grid operators, and other stakeholders with a powerful tool to schedule and manage load sheddin...
I'm looking for a talented Excel programmer to build an Excel tool tailored for my business' quotation procedures. Notably, this tool must provide these key functions: - Automatic Price Calculation - Customized Quotation Template Design I already have a specific design in mind for the quotation template and would require the freelancer to implement my design concept accurately. A potential candidate should have considerable Excel programming skills coupled with a solid understanding of quote creation processes. A sense of accuracy, creativity, and robust attention to detail would be beneficial for this task. Outputs should be precise and user-friendly, ultimately contributing to streamlining our current operations.
I'm looking for a talented Excel programmer to build an Excel tool tailored for my business' quotation procedures. Notably, this tool must provide these key functions: - Automatic Price Calculation - Customized Quotation Template Design I already have a specific design in mind for the quotation template and would require the freelancer to implement my design concept accurately. A potential candidate should have considerable Excel programming skills coupled with a solid understanding of quote creation processes. A sense of accuracy, creativity, and robust attention to detail would be beneficial for this task. Outputs should be precise and user-friendly, ultimately contributing to streamlining our current operations.
I'm looking to hire a programmer with AI and chatbot development experience to create a chatbot for psychoanalysis, based on a specific textbook from Brazilian psychoanalyst Francisco Daudt. KEY REQUIREMENTS: - Development of a chatbot with diagnostic and therapeutic capabilities. - Integration of principles and techniques from psychoanalysis as the chatbot's therapeutic orientation. IDEAL EXPERIENCE: -No need of Knowledge in Psychoanalysis, that's already done - Expertise in AI Chatbot development would be crucial. Your main task will be to ensure that the chatbot provides diagnostic and therapeutic guidance according to the concepts of psychoanalysis presented in Francisco Daudt's textbook. Your understanding of these principles is crucial for the chatb...
I'm looking for a skilled programmer to help me convert my invention into an app for iOS and Android devices. Key requirements: - I'm open to the programming language, so your expertise in Swift, Java, or C# would be beneficial in guiding the decision. - The app should ideally be designed to work offline, although this requirement can be discussed. - The main functions the app should possess are user authentication and data storage. It is preferred that you are located in Southern California, specifically in San Diego, CA. If that is not a reality, then I will still move forward. If you've got experience in app development and can help me bring my invention to life on mobile devices, please reach out. Looking forward to working with you!
I'm looking for a unique t-shirt design that relies on a text-based approach. The text should be styled in a classic and cute manner. The design should be primarily focused on the use of two specific colors: pink and green. Ideal skills and experience: NO AI images Looking for a totally new design with picture being the inspirations Use pic for inspiration. i do not want the dame design add Gamma Tau I am Spr. 95 Bethune Cookman college - Graphic design experience, with a specific focus on t-shirt design - Proficiency in text-based design - Ability to create a design that's both classic and cute - Previous experience working with pink and green color schemes would be highly beneficial.
Custom Task Management System By ARABIC Language RTL , From Scratch SDLC To Deploy. I have Some Screens to understand Most Requirement> Requirement: PHP Laravel 11 MySQL Jquery CSS Bootstrap All Must be the last versions.
I need an expert in electromagnetic and Particle-In-Cell (PIC) simulation to assist me in running simulations to optimize the performance of a 5-mW-Long Anode Pulse Magnetron. The goal is to study and enhance various performance aspects such as: - Efficiency - Output power - Stability of operation Your task will involve creating a CST file for the entire magnetron based on a paper I'll provide. This is crucial as the simulation outputs will serve as my study material for a higher course. Skills & Experience: - Proficiency in electromagnetic and PIC simulations - Prior experience with magnetron technology - Clear knowledge of CST simulation software (Creating & analyzing files) - Ideally, experience with high-power microwave devices. Finaly I want apply th...
Warning: This project is for advanced developers. Those that can read complex code structures - I mean it. You must be able to understand ReactJS but also understand a large existing project with little help from me. We're looking for a full-time programmer who is hard working, honest, and enjoys learning. Are you the kind of person where your yes means yes and your no means no? Do you have several years of programming experience with all things ReactJS? Place, "ReactJS developer" on the top of your bid. This full-time position requires attention to detail - someone that understands spoken and written English, fluently. We have enough work for over a year. On the top, after "ReactJS developer", please tell me what was your most difficult ReactJS project yo...
I'm in need of a proficient programmer to design a chatbot aimed at customer service inquiries for my company. Key features should include: - Understanding and responding accurately in Filipino, as this is our primary customer base language. Experience in natural language processing or similar would be valuable here. - The chatbot's main function will be to handle customer service inquiries, so it should be configured to address common issues, route users to the appropriate resources, and escalate more complex issues to human operators when needed. A successful delivery should efficiently and effectively manage and respond to customer service queries in a professional, cordial manner reflective of our brand's voice.
I'm in need of an expert in embedded C programming, particularly with a strong knowledge of Keil MDK 6. I want you to work on a project for an STM32F411, which needs to have the following functionalities: - Virtual COM via USB - Embedded C programming - Keil MDK 6 integration In addition to these core requirements, the project must also meet performance constraints - this must be carefully considered throughout the development process. I'm looking for a freelancer that is able to develop the code from scratch. It's important that you have a solid understanding of embedded systems, as well as experience with USB communication protocols. Your familiarity with Keil MDK 6 is also crucial as it will be the primary IDE used for this project. A background in working with STM32 m...
I'm in need of a skilled programmer who can seamlessly integrate an AI bot into my WordPress website. The expected tasks for the bot include answering customer queries, providing recommendations, and assisting with transactions. Key Responsibilities: - Integration of AI bot into WordPress site - Ensure seamless functionality across various tasks: supporting customer queries, providing recommendations and assisting with transactions Ideal Skills and Experience: - Proficiency in AI bot development - Extensive experience with WordPress - Strong understanding of customer interaction and e-commerce - Proven track record in successful bot integration on websites
As an individual working on a project, I need support with OrCAD. Specifically, I require assistance with: - The designing of a schematic - Simulating the subsequent circuit behavior The particular circuit is complex, requiring expertise in a variety of component types. Your knowledge should extend to understanding the function and interaction of these component types in a complex circuit. The project timeline is fairly critical. I anticipate the work to be completed within 1-2 weeks from the start date. Please take this into consideration when bidding. Ideal skills and experience include: - Extensive experience with OrCAD Schematic Design & Simulation - An understanding of a range of component types - Comfortable in working with complex circuits - The ability to ...
I'm in need of a Python programmer capable of building a license key generator and corresponding API service. The project involves managing license keys for an Excel template product. Key responsibilities are: * Design and develop a License Key Generator using Python. * Create it to have the flexibility of generating unique license keys, verifying these keys, and, if necessary, deactivating them. * Design and implement an API that allows the integration of generated license keys with my existing Excel templates. * Each license key must validate properly in Excel Template PRO. Besides, your work must include: * Order form * Implementing a MySQL database to store all generated license keys. * Building a response system that displays license keys on a 'Thank You' page...
... - Appointment scheduling: The app should have a feature that allows users to schedule consultations with vets. - Messaging with vets: Users should be able to communicate with vets directly through messaging within the app. - Upload medical records: The app must have an functionality that allows users to upload their pet's medical records for reference. Alongside this, I need a proficient programmer to develop an app for my existing website with the following functionalities: - User registration: It should have a feature that allows new users to register. - Online booking: The app must support online booking for services available on our website. - Payment processing: It needs to be able to facilitate online payment transactions. Experience with a similar project is a...
...-In-The-History-Of-Music/td-p/37076/page/6 12. WKNR. This Day In History. Retrieved from 13. 7 inches of 70s pop. (2012, November 6). My Ding-A-Ling by Chuck Berry. Retrieved from 14. Cash Box. (1972, July 15). Without a doubt, Chi Coltrane deserves the attention of every top programmer in the country. *Cash Box*. Retrieved from 15. USAF Tuslog, Kas60. (n.d.). Jumpin Jimmy Connors. Retrieved from 16. How Do You Do? The Story of Mouth and MacNeal. (2016, September). *GoRetro*. Retrieved from
I need a seasoned Python programmer to develop a custom code that automates email sending. The task includes: - Crafting code that seamlessly integrates with my system. - Automating the process of sending individual emails. Your extensive Python background, coupled with experience in producing automation scripts, would be ideal for this project. A deep understanding of email-sending protocols is advantageous. I appreciate a clear, well-commented code and timely delivery.
I am in need of an expert programmer who can develop a unique Crypto Casino Plinko Script using HTML5. The script should be integrated with the major cryptocurrency wallets such as Bitcoin, Ethereum, and Litecoin, and more if possible. UI design is a must. Would need to integrate smoothly into a single-game casino website (solely plinko) Example of Plinko is listed below Key features that are a must-have in the script include: - Provably fair algorithm: This is necessary to ensure the game's fairness and transparency. - Bet history tracking: The script should be able to keep track of all bets made by players. - Open chat room for all users Ideal candidates should have previous experience in developing similar casino games and a strong understanding of blockchain technolog...
I'm seeking a talented C programmer with expertise in OpenSSL, specifically in version 3.0. The task involves using openssl library to convert a C program involving non-secure client-server communication to convert it into secured communication. Key Requirements: - Proficiency in C programming language. - Ability to use openssl commands to generate .pem, .key and .crt files - Strong understanding of TLS encryption using openssl - Hands-on experience with OpenSSL, preferably version 3.0. This task requires a professional with a solid background in C programming, excellent knowledge of OpenSSL, and specific experience in the Linux environment. Please refer the attached pdf file for detailed requirements.
