Basic Calculator
NEWA quick calculator for everyday sums, with scientific functions when you need them.
How to use Basic Calculator
- Use the number pad and operators for everyday sums.
- Use the scientific functions — sin, cos, √, π and more — for anything more advanced.
- Use C to clear or ⌫ to backspace.
Frequently asked questions
Are sin, cos, and tan calculated in degrees or radians?
Degrees — the input value is converted to radians internally (value × π ÷ 180) before the trig function is applied.
What happens if I divide by zero?
The display shows "Error" — dividing by zero produces an invalid result internally, which gets caught and swapped for that message instead of showing Infinity or NaN.
Why do some results show a long string of decimals?
Results are rounded to 12 decimal places to clean up floating-point rounding noise, but that still leaves visible decimals for results that are genuinely irrational, like square roots or π.
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