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powers.tpi
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1993-11-06
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480b
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29 lines
# POWERS.TPI
# by Kent Peterson
# This is a simple program to demonstrate
# how easy it is to add new instructions
# to TIPI.
define square ( n -- n*n )
# Squares a number
dup *
enddef
define cube ( n -- n*n*n )
# Cubes a number
dup square *
enddef
define quad ( n -- n*n*n*n )
# raises a number to the fourth power
square dup *
enddef
"Enter a number" print$
getnum
dup square print cr
dup cube print cr
quad print cr
begin key until