Are there any good JavaScript currency or decimal classes?

Question

I am trying to deal with JavaScript values such as 23.45, but I want to be able to do mathematical operations on these values (addition, subtraction, multiplication

Answer 1

Integers.

There is no need to use floating-point for currency. Use fixed-point, where the number of decimal points is 0.

You count in pennies (or possibly in tenths of pennies).