Basic Calculator
A simple calculator supporting addition, subtraction, multiplication, division, percent, and sign change. You can enter values with buttons or the keyboard.
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How to use
- Press the number and operator buttons to enter an expression.
- Press "=" to show the result. The keyboard Enter also calculates.
- Use "C" to reset, "±" to change sign, and "%" to calculate a percentage.
Frequently asked questions
Can I use the keyboard?
Yes. You can use the number keys and +, -, *, /, plus Enter (calculate), Backspace (delete), and Esc (reset).
Does it have scientific functions?
This is a basic calculator focused on arithmetic, percent, and sign change.
How is % calculated?
It divides the currently shown value by 100. For example, pressing % after 50 gives 0.5.