All tools → Math & Science
Scientific Calculator
Expression parser with functions, degrees/radians. No eval().
What it does
Expression parser with functions, degrees/radians. No eval(). Part of Math & Science — Calculators, solvers, and converters.
Also found under: calculator, sin cos, expression.
When to use it
Evaluate (2*(3+4))^2 + sin(30°) without touching a spreadsheet.
Privacy & safety
Pure local calculation with clear errors. Nothing is sent to online solvers.
This tool works on text you paste — nothing leaves the page until you copy or save it yourself.
Related tools
- Date & Time Duration Calculator — Elapsed breakdowns between dates plus date arithmetic.
- Equation Solver — Quadratics and 1–4 equation linear systems via elimination.
- Matrix Calculator — Add, multiply, transpose, determinant, and inverse up to 4×4.