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SpreadJS Documentation / Formula Reference / Formula Functions / LOG
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    LOG
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    This function returns the logarithm base Y of a number X.

    Syntax

    LOG(number,base)

    Arguments

    This function has these arguments:

    Argument Description
    number Number for which to find a logarithm. This must be a positive real number
    base [Optional] Base of the logarithm; if omitted, the calculation uses 10 as the base (See LOG10.)

    Data Types

    Accepts numeric data for both arguments. Returns numeric data.

    Examples

    LOG(B3,C5)

    LOG(R1C2,R4C4)

    LOG(255,16) gives the result 1.9985883592

    See Also