Calculator
The everyday calculator — type with the mouse or the keyboard, keep memory, and see your last twelve sums.
Built for speed
Numbers, + − × ÷, percent and brackets. Press Enter to evaluate, Backspace to delete, Escape to clear. Every result joins the history list — click any line to reuse it.
Why a browser calculator
No install, no app permissions, works on any device, and nothing you type leaves the tab.
Does it support the keyboard?
Yes — digits, operators, brackets, Enter, Backspace and Escape all work.
Is there a scientific mode?
Yes, switch with the Scientific button or open the scientific calculator page.