Math — free forever
Evaluate any expression instantly, offline. No syntax to learn — just type like you think.
tsx
Math is one of the 7 free core tools. No key, no account, works offline.
Basics
Type an expression, hit Enter. Results are live as you type.
| You type | You get |
|---|---|
2 + 3 * 4 | 14 (proper precedence) |
(2 + 3) * 4 | 20 |
10 / 3 | 3.3333 |
2^10 | 1024 |
100 - 15% | 85 |
5% of 240 | 12 |
Operators
| Operator | Meaning | Example |
|---|---|---|
+ − * / | add, subtract, multiply, divide | 12 / 4 → 3 |
% | percent / modulo | 200 * 15% → 30 |
^ or ** | power | 2^10 → 1024 |
( ) | grouping | (2+3)*4 → 20 |
! | factorial | 5! → 120 |
Functions & constants
Functions: sqrt cbrt abs floor ceil round sin cos tan asin acos atan log ln exp min max
Constants: pi e tau phi
tsx
Real-world recipes
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Via API & CLI
Math is free over localhost too — no key needed for core.
bash
Limits & notes
- Precision: double-float, 10 decimals shown, full value on copy
- Angles: trig functions use radians —
sin(pi/2), notsin(90) - Degrees shortcut:
sin(90deg)works too - Thousand separators ignored:
1,000,000 / 4→250000 - History: every expression is saved locally —
↑to recall
Next: All tools