The functions: sqrt, log, ln, and exp in the MapleTA[Builtin] subpackage return a floating point result computed by applying the respective function to a single argument x.

The abs function returns the absolute value of the argument x.

$\mathrm{with}\left(\mathrm{MapleTA}\left[\mathrm{Builtin}\right]\right)\:$

$\mathrm{abs}\left(-1\right)$

$1$

$\mathrm{sqrt}\left(9\right)$

$3.$

$\log \left(10\right)$

$1.$

$\ln \left(\exp \left(3\right)\right)$

$3.000000000$

The MapleTA[Builtin][abs], MapleTA[Builtin][sqrt], MapleTA[Builtin][log], MapleTA[Builtin][ln] and MapleTA[Builtin][exp] commands were introduced in Maple 18.

For more information on Maple 18 changes, see Updates in Maple 18.