What is this calculator?
Perform exact addition, subtraction or multiplication on large integers.
What can you use it for?
Use it when solving an exercise, checking a result, or working with the particular quantities shown in this form. Perform exact addition, subtraction or multiplication on large integers.
How to use it
- Enter first integer.
- Enter second integer.
- Enter operation.
- Select Calculate (or Generate for random tools).
- Read the answer and any additional results below the form. Check the units and the limits of the method.
Formula and method
Signed integer strings are processed without floating-point conversion.
Worked example
First integer: 99999999999999999999, Second integer: 12345678901234567890, Operation: +. The result is 112345678901234567889 (exact integer result).
Assumptions and limits
Integer arithmetic, up to 200 digits per input. No decimal approximation.
Frequently asked questions
What inputs does the Big Number Calculator need?
Use first integer, second integer, operation. Read the answer and any additional results below the form. Check the units and the limits of the method.
What assumptions apply to the Big Number Calculator?
Integer arithmetic, up to 200 digits per input. No decimal approximation.