Flutter Advanced Scientific Calculator

Calculator App Features This lightweight calculator app offers a robust and versatile user experience while maintaining a minimalist and user-friendly design. Here’s a detailed look at its features:

1. Lightweight and Secure No User Data Collection: This app ensures complete privacy as it does not collect any user data. Open-Source: The project is open-source, allowing users to review, modify, and enhance the code.
2. User Interface Light Mode and Dark Mode: Users can switch between light and dark themes to suit their preferences and reduce eye strain. Responsive Input Font Size: The input font size dynamically adjusts based on the length of the input, ensuring readability at all times.
3. Functionality Basic Arithmetic Operations: Supports addition, subtraction, multiplication, and division. Advanced Mathematical Functions: Trigonometric functions (sin, cos, tan, and their hyperbolic and inverse variants) Logarithmic functions (log, log10) Power functions (x², x³, x?, 2?, e?) Factorial (x!) Absolute value (|x|) Square root (v) Angle Unit Toggle: Users can switch between radian and degree modes for trigonometric calculations. Brackets Management: Smart handling of parentheses for complex expressions. Change Sign: Easily change the sign of numbers within expressions. Constants: Includes mathematical constants like p and e.
4. Usability Enhancements History Functionality: Keeps a record of previous calculations for easy reference. Scrollable Input Field: The input field is scrollable to manage longer expressions efficiently. Cursor Management: Facilitates easy editing of expressions by allowing insertion and deletion at the cursor position.
5. User Interaction Function Buttons: Includes buttons for commonly used functions like v, 1/x, and e?. Power and Exponentiation: Allows for easy exponentiation using x?, x², and x³. Toggle Buttons: Switch between various modes (e.g., landscape row switch, angle type switch).
6. Error Handling Approximate Result Calculation: The app provides approximate results for expressions, formatted to five decimal places. It also ensures that results are displayed in the simplest form (e.g., converting floating-point results to integers when possible).
7. Intuitive Controls Delete and Clear: Easily delete the last character or clear the entire input. Cursor Positioning: Maintains cursor position during edits for seamless user experience.
8. Special Features Function Addition with Multiplication: Automatically adds a multiplication operator when functions or constants are added to ensure correct expression formatting. Auto Bracket Closure: Ensures that opened parentheses are closed appropriately to prevent syntax errors.