Un naufragio personal

Ángel Ortega

What Every Programmer Should Know About Floating-Point Arithmetic

A simple and to-the-point guide to floating point arithmetic and the crazy but genius IEEE-754 standard:

Well, this site is here to:

  • Explain concisely why you get that unexpected result
  • Tell you how to deal with this problem
  • If you’re interested, provide in-depth explanations of why floating-point numbers have to work like that and what other problems can arise


The book is also on github.