How to use Grinebiter's calculator: Enter numbers in the boxes and choose if you want to add, subtract, multiply or divide them. It is that easy! Note that all numbers are rounded to the nearest two decimals if necessary.

More information
Not sure what to calculate? Try one of these to get you started:

1*2     3*5     6*7

2/1     8/4     9/3

3-2     6-3     7-2

1+6     4+7     7+9


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