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A simple basic keypad calculator online, similar to a small handheld calculator, for addition, subtraction, division and multiplication.
- MC = Clear Memory
- M+ = Add to Memory
- M- = Subtract from Memory
- MR = Memory Recall
- CE = Clear Current Operation and changes to AC
- AC = Clear All
- √x = take the square root function for the displayed
- % = change the displayed value from a percent value to a decimal value
- 100 - 22 % = 78; 100 minus 22% of 100 is 78
- 100 x 22 % = 22; 100 times 22% is 22
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