Most advanced Latvian calculator

Vanilla JavaScript calculator with basic arithmetic operations, history of calculations, and keyboard support. The calculator has a responsive design and supports both light and dark themes.

Features

• Basic arithmetic operations
• History of calculations in local storage
• Validation of input on the fly
• Dark and light themes
• Keyboard support, including history navigation
• Responsive design
• Latvian language support (isn't planned)
• Display of intermediate results
• Editable input field with cursor support

Light theme:

Dark theme:

Installation

1. Clone the repository

   git clone https://github.com/R-udren/calculator.git 

2. Navigate to the project directory

   cd calculator

3. Install the dependencies

   npm install

4. Start the development server

   npm run dev

5. Build the production-ready files

   npm run build

6. Preview the built app (optional, ensures everything works as expected after the build)

   npm run preview

Usage

• Use the calculator as you would any other calculator
• Use the keyboard to navigate the calculator and history
  • Enter or = to calculate
  • ArrowUp and ArrowDown to navigate history
  • Backspace or Delete to delete the last character
  • Escape, C, Ctrl + Backspace to clear the input
  • Ctrl + c to copy the result to the clipboard