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ZBasic System Library 142 ZX Microcontroller Family Log10 Type Function returning Single Invocation Log10(arg) Parameter Method Type Description arg ByVal Single The value of which the common log is to be computed. Discussion This function returns the Single value corresponding to the common logarithm (base 10) of the value provided. This function is the inverse of the Exp10() function. If the value of the argument provided is zero, the result is positive infinity. If the argument value is negative, the result is NaN. See Also Exp, Exp10, Log