Totally FREE Calculator without ads for everyone. Feel free to use it and rate it 5 stars.

As calculators became more advanced during the 1970s, they became able to make computations involving variables (unknowns). These were the first personal computers. Today's personal computers can still perform such operations, and most are provided with a virtual calculator program that actually looks, on screen, like a handheld calculator. The buttons are actuated by pointing and clicking.


[Key features]

1. Simple calculate between number with many operations.
2. Clear button clears the last input
3. All clear button clears the calculator, tape, and resets any functions
4. Memory clear button clears the memory
5. Backspace button clears the last digit
6. Memory recall button retrieves the number you have in memory and places it in the display field
7. Memory plus button adds the number displayed to the contents of the memory
8. Memory minus button subtracts the number displayed from the contents of the memory
9. Square root button is used to calculate the square root of a number. Enter a number, then click square root button
10. Percent button is used to find the percentage of a number. Enter the percentage amount, click the % button, then enter the number you want the percentage of, and then click equals. i.e. 20% 125 = 25 where 25 is 20% of 125. Note: The percent function will also work if you enter the number first and then the percentage you want i.e. 125 %20 = 25

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