Scientific Calculator
Free online calculator with trig, logs, powers and memory. Free, no sign-up, works in your browser.
🔒 100% private — processing happens in your browser. Nothing is uploaded.
How to use the scientific calculator
- Click the buttons or type straight into the display — e.g.
2^10,sin(30),5!,√(2). - The result updates as you type; press = or Enter to keep it. Ans reuses the last answer.
- Switch between degrees and radians for trigonometry. The last results are listed below.
Supports + − × ÷, brackets, powers, square roots, percentages, factorials, natural and base-10 logarithms, sine, cosine, tangent and their inverses, π, e and scientific notation (EXP). Implicit multiplication like 2(3+4) works too. Your keyboard works: Enter = equals, Esc = clear.