Documentation
README
Calculator
Evaluate arithmetic expressions with arbitrary-precision decimal math using big.js.
When to Use
- User asks to calculate or evaluate a math expression
- Precise decimal arithmetic is needed (avoids floating-point errors like
0.1 + 0.2 = 0.30000000000000004) - Expressions involve parentheses, operator precedence, or exponents
Supported Operations
| Operator | Description | Precedence |
|---|---|---|
+ |
Addition | 1 |
- |
Subtraction | 1 |
* |
Multiplication | 2 |
/ |
Division | 2 |
^ |
Exponent (right-associative) | 3 |
() |
Parentheses | Highest |
Usage
cd scripts
npm ci || npm install
npm run build
npm run calculate "<expression>"
Examples
This is the opening of the README. Read the full README on GitHub.