Scientific Calculator
Full scientific calculator with trig, log, powers, and constants. Runs 100% in your browser.
🔢 Expression builder — each button appends to a running expression shown above the display. Press = (or Enter) to evaluate.
📐 DEG / RAD mode — tap the angle button to toggle. All trig functions (sin, cos, tan and inverses) use the current mode. Press INV to reveal sin⁻¹, cos⁻¹, tan⁻¹, 10ˣ, eˣ.
🔡 Keyboard supported — type digits, + - * / ^ ( ) Enter Backspace Esc.
🔒 Privacy — all computations run locally in your browser. No data is sent anywhere.
About Scientific Calculator
A full scientific calculator that runs entirely in your browser. Supports standard arithmetic, trigonometric functions (sin, cos, tan and their inverses), logarithms (log₁₀ and ln), square root, powers, factorial, and the constants π and e. Switch between Degree and Radian mode instantly. All calculations stay local — nothing is sent anywhere.