WBesi WBesj WBesk WBesy WCbrt WCelli1 WCelli2 WCelli3 WDconst WDigamma WE_1 WEi WExpm1 WFma WHypot WLi WLog1p

WExpm1() Function WExpm1 ( X As  Double ) exp(x) - 1 Purpose WExpm1 computes exp(x) - 1. For small magnitude values of x, WExpm1 may be more accurate than Exp(X) - 1. Returns exp(x) - 1. Parameters [in] X Argument x