math - Arithmetic in ruby

Question

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

Why this code 7.30 - 7.20 in ruby returns 0.0999999999999996, not 0.10?

But if i'll write 7.30 - 7.16, for example, everything will be ok, i'll get 0.14.

What the problem, and how can i solve it?

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1 Answer

深蓝 · Answer 1 · 2021-10-23T19:36:23+0000

answered Oct 24, 2021 by 深蓝 (71.8m points)

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