Javascript IRR (Internal rate of return) Formula Accuracy

Question

I\'m using a IRR function in javascript to create calculation a that is done in excel using its own IRR function. The problem is mine is little off and I have no idea why. Here\

Answer 1

It's a floating point issue to be sure. You're going to want to use a library like BigDecimal.js to handle your values. It's really the only way to avoid this issue.