Simple Calculator
Basic 4-function calculator with memory, percent, and square root. Fast keyboard support and instant results.
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Keyboard: type numbers & + - * / % Enter (=) Backspace (⌫) Esc (C)
How it works
Simple calculator supports +, −, ×, ÷, %, √, x², 1/x, ± and memory (MC/MR/M+/M−). Percent is evaluated as ÷100, matching calculator.net. Use keyboard for fast entry.