Math

What does 1.8e-5 mean or stand for?

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  1. e-5 is alternate notation for 10^-5
    The e stands for the word exponent, sort of.
    so what you have is
    1.8 * 10^-5
    which is 0.000018

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  2. The "e" is the power of 10 (exponent)

    1.8E-5 = 1.8 * 10^-5 = 0.000018

    It's a hold-over from the old FORTRAN floating-point days. E for single-precision (7 decimal places), D for double-precision (16 decimal places)

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  3. Thank you, God bless you two!!!

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