Basic Calculator
A simple calculator for everyday arithmetic — addition, subtraction, multiplication, and division.
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How it works
Type or click digits and operators to build an expression, then press = to evaluate it. Expressions are evaluated left-to-right following standard order of operations.
Does it follow order of operations?
Yes — multiplication and division are evaluated before addition and subtraction, and parentheses are respected.
Can I use my keyboard?
Yes, number and operator keys, Enter for equals, and Backspace/Escape all work.