Memory plus button adds the number displayed to the contents of the memory. Memory minus button subtracts the number displayed from the contents of the memory. Square root button is used to …

The expression "5 mod 2" would evaluate to 1, because 5 divided by 2 leaves a quotient of 2 and a remainder of 1. Enter a number, then click on MOD, then enter another number, then click equals.

This calculator allows you to calculate the amount you can afford to pay for a mortgage.

The Mortgage Payment Calculator allows you to calculate monthly payments, average monthly interest, total interest, and total payment.