Basic Calculator

Simple and easy-to-use calculator for everyday math calculations, with memory functions and keyboard support.

Basic Calculator

Click buttons or use your keyboard for calculations

History
0
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Keyboard Shortcuts

0-9
Numbers
+ - * /
Operations
.
Decimal point
Enter
Equals
Esc
Clear all (C)
Delete
Clear entry (CE)

Calculator Features

  • Basic Operations: +, -, ×, ÷
  • Scientific Functions: √, %, 1/x
  • Memory Operations: MC, MR, M+, M-
  • Smart Clear: C (clear all), CE (undo last input)
  • History: View recent calculations
  • Keyboard Support: Full keyboard input
  • Copy Results: Easy result copying
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Frequently Asked Questions

How do I use the online calculator?

Simply click the number and operation buttons to perform calculations. You can also use your keyboard for faster input. The display shows your current input and the history area shows recent calculations.

Does the calculator support scientific functions?

Yes, our calculator includes scientific functions like square root (√), percentage (%), reciprocal (1/x), and sign change (+/-). More advanced scientific functions may be added in future updates.

Can I use keyboard input with the calculator?

Absolutely! You can use numbers (0-9), operators (+, -, *, /), decimal point (.), Enter for equals, Escape to clear all, and Backspace to clear the current entry.

How do the memory functions work?

MC clears memory, MR recalls the stored value, M+ adds the current display to memory, and M- subtracts the current display from memory. The memory indicator shows when a value is stored.

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