Advanced math functions: trigonometry, logarithms, exponents, square roots, and more. 100% client‑side, private, and free.
sin, cos, tan, asin, acos, atan – in radians and degrees (use deg/rad toggle).
log (base 10), ln (natural log), sqrt, ^ (power), exp, π, e, factorial (!).
All calculations happen in your browser using math.js – no data ever leaves your device.
1️⃣ Click buttons to build your expression (e.g., sin(30) + cos(45)).
2️⃣ Use parentheses, π, e, or factorial (n!).
3️⃣ Press "=" to evaluate.
4️⃣ Press "C" to clear the current entry, "AC" to reset everything.
5️⃣ Use "rad/deg" toggle to switch angle mode.
✅ Perfect for students, engineers, and anyone needing advanced math.
From simple arithmetic to complex trigonometric equations, this tool handles it all. Built on `math.js`, it safely evaluates expressions with parentheses, functions, and constants. No installation, no signup – just reliable, private computation in your browser. Ideal for homework, engineering tasks, or quick mathematical checks.
Press the "rad/deg" button – the active mode is shown in the display (e.g., "deg" indicator).
Yes – use the π and e buttons, or type "pi", "e" in the expression.
Yes. All processing is client‑side. No input is sent to any server.