# Math Evaluator Guide

Evaluate a mathematical expression, with variables and functions.

- Tool: https://ilham.dev/tools/math-evaluator/
- Guide URL: https://ilham.dev/guides/math-evaluator/
- Tool guides index: https://ilham.dev/guides/tools/
- Broader guide: Calculators and Unit Conversion (https://ilham.dev/guides/calculators-and-unit-conversion/)

## What it does

Evaluate a mathematical expression with the usual operators, parentheses, functions and constants, and assign variables to reuse an intermediate result.

## Use the tool

Open https://ilham.dev/tools/math-evaluator/, add the input the tool asks for, run it, and check the output before using it elsewhere.

## Input and output

- Input: text.
- Output: text.
- Category: Math.

## Privacy and processing
Processing happens locally in your browser. This tool does not upload the input to ilham.dev.

## Questions

### Is it safe to paste an expression in?

Yes. The expression is parsed and evaluated as arithmetic. It is not handed to eval, so it cannot run arbitrary code.