http://www.macnn.com/articles/02/09/28/calcpad.x/
CalcPad X 1.0 evaluates math expressions
updated 12:10 pm EDT, Sat September 28, 2002
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John McGruer has posted a "cool little math utilty" CalcPad X 1.0, as noted by a MacNN reader. The utility is described as a "word processor" and evaluator for mathematical expressions and features many scientific and trig functions, custom naming of variables, paper tape for history logging, and many number formatting options.
