Meta-Calculator System Requirements Document

Introduction

The purpose of this document is to outline the system requirements for the "Meta-Calculator" project. This project aims to develop a simple, single-page calculator application focusing on basic arithmetic operations. The design will prioritize simplicity and ease of use, ensuring a clean and efficient user experience.

System Overview

The Meta-Calculator is designed to be a straightforward, single-page web application that performs basic arithmetic operations such as addition, subtraction, multiplication, and division. The application will be accessible via web browsers and will feature a minimalist design to facilitate quick and easy calculations.

Functional Requirements

• As a User, I should be able to perform basic arithmetic operations (addition, subtraction, multiplication, division).
• As a User, I should be able to clear the current calculation to start a new one.
• As a User, I should be able to view the result of my calculations immediately after input.

User Personas

• User: Individuals who need to perform quick and simple arithmetic calculations. They value speed, simplicity, and ease of use.

Visuals Colors and Theme

The Meta-Calculator will feature a unique color palette to enhance the user experience while maintaining simplicity:

• primary: #4A90E2 (a calming blue for the main interface)
• primary_light: #A6C8FF (a lighter blue for hover states)
• secondary: #FF6F61 (a warm coral for emphasis and highlights)
• accent: #FFD700 (a vibrant gold for call-to-action buttons)
• highlight: #FFA500 (an orange for active indicators)
• bg: #FFFFFF (a clean white background)
• surface: rgba(240, 240, 240, 0.8) (a light grey for panels)
• text: #333333 (a dark grey for primary text)
• text_muted: #777777 (a softer grey for secondary text)
• border: rgba(200, 200, 200, 0.5) (a subtle grey for borders)

Signature Design Concept

The Meta-Calculator will feature an interactive "floating keypad" design. The keypad will appear to float above the background, casting subtle shadows that shift as the user moves their cursor across the screen. This effect will be achieved using framer-motion for smooth animations and spring physics. Each button will have a slight "bounce" effect when pressed, providing tactile feedback. The overall experience will be engaging yet simple, enhancing the user's interaction with the calculator.

Interaction Model & Motion Direction

The landing page will utilize an "animated" interaction model. The focus will be on smooth transitions and hover effects to create a polished and responsive user interface. The calculator buttons will animate slightly upon hover and click, providing a dynamic yet straightforward user experience.

Non-Functional Requirements

• The application should load quickly and perform calculations without noticeable delay.
• The design should be responsive, adapting to various screen sizes and resolutions.
• The interface should be intuitive, requiring no learning curve for new users.

Tech Stack

• Frontend: React for Web
• Backend: Not applicable (client-side only)
• Database: Not applicable (no data storage required)

Assumptions and Constraints

• The application will be used primarily on desktop and mobile web browsers.
• No advanced mathematical functions beyond basic arithmetic are required.
• The design will remain simple, with no additional features or complex UI elements.

Glossary

• Arithmetic Operations: Basic mathematical functions including addition, subtraction, multiplication, and division.
• Single-Page Application: A web application that interacts with the user by dynamically rewriting the current page, rather than loading entire new pages from the server.

This document outlines the essential requirements and design considerations for the Meta-Calculator project, ensuring a focus on simplicity and user-friendly design.