3 ms·

Ask HN: Why 0.1 + 0.1 + 0.1 – 0.3 == 5.551115123125783e-17

• itg 11y ago
  https://en.wikipedia.org/wiki/Floating_point#Accuracy_problems https://en.wikipedia.org/wiki/Floating_point#Accuracy_proble...
• deleted 11y ago
  [deleted]
• ColinWright 11y ago
  Here are just a few previous discussions about this. If you're serious about this question, read these: https://news.ycombinator.com/item?id=453396 https://news.ycombinator.com/item?id=453396 https://news.ycombinator.com/item?id=687604 https://news.ycombinator.com/item?id=687604 https://news.ycombinator.com/item?id=1746797 https://news.ycombinator.com/item?id=1746797 https://news.ycombinator.com/item?id=1937182 https://news.ycombinator.com/item?id=1937182 https://news.ycombinator.com/item?id=1982332 https://news.ycombinator.com/item?id=1982332 https://news.ycombinator.com/item?id=4489496 https://news.ycombinator.com/item?id=4489496 https://news.ycombinator.com/item?id=4815399 https://news.ycombinator.com/item?id=4815399 https://news.ycombinator.com/item?id=8321940 https://news.ycombinator.com/item?id=8321940 https://news.ycombinator.com/item?id=9837342 https://news.ycombinator.com/item?id=9837342 https://news.ycombinator.com/item?id=10558871 https://news.ycombinator.com/item?id=10558871