.BG
.VE $Header: /usr3/s/current/s/.help/RCS/exp,v 1.2 83/12/30 19:28:10 rab Exp $
.FN exp
.FN log
.FN log10
.FN sqrt
.TL
exp log log10 sqrt: Math Functions
.CS
exp(x)
log(x)
log10(x)
sqrt(x)
.PP
.AG x
numeric structure.  Missing values (NAs) are allowed.
.RT
structure like `x' with data transformed by the function.
`exp' is exponential, `log' natural logarithm, `log10'
common log, `sqrt' square root.
.PP
Argument values which cannot be handled (e.g., negative values for
square root) evaluate to NA and generate a warning message.
.KW basic*
.KW math
.WR
