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ZBasic System Library 141 ZX Microcontroller Family Log Type Function returning Single Invocation Log(arg) Parameter Method Type Description arg ByVal Single The value of which the natural log is to be computed. Discussion This function returns the Single value corresponding to natural logarithm (base e) of the value provided. The transcendental value e, upon which the natural logarithm is based, is approximately 2.71828. This function is the inverse of the Exp() 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, Log10