XLPack 7.0
XLPack Numerical Library (Excel VBA) Reference Manual
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◆ Expm1()

Function Expm1 ( X As  Double,
Optional Info As  Long 
)

exp(x) - 1

Purpose
Computes exp(x) - 1. For small magnitude values of x, expm1 may be more accurate than Exp(X) - 1.
Returns
Double
exp(x) - 1.
Parameters
[in]XArgument x.
[out]Info(Optional)
= 0: Successful exit.
= 1: Floating point range error.