primary school question!

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Wenjuan
Wenjuan el 28 de Nov. de 2020
Respondida: Image Analyst el 28 de Nov. de 2020
well, a silly question
why 0.07*400 is not equal to 28?
see screenshot;

Respuestas (1)

Image Analyst
Image Analyst el 28 de Nov. de 2020
Truncation error due to double's only using 64 bits instead of an infinite number of bits. It will be off a very small amount, eps(28). See the FAQ for a thorough discussion:

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