Ucalc is a high precision scientific calculator
which can evaluate expressions, solve equations, perform numerical
integrations, and do summations. It supports many builtin functions,
operators, numerical notations, and modes. It also allows for
userdefined functions and variables. Graphs in cartesian and
polar coordinates and will graph parametric curves and data files.
There are two ways of running the Ultimate Calculator: either
at the DOS command line as UCALC 5+4*8/2 [enter] or in an interactive
environment. Shareware.
(modified from the documentation)
