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Professionals everywhere are replacing their traditional 10-Key calculators for PentaCalc Pro. You'll never go back after you've seen the benefits of saving, editing, and recalculating your live tape.

Scientific, Financial, Unit Conversions

PentaCalc Pro includes all the functionality of full-featured Scientific and Financial calculators. It also converts between hundreds of Units instantly and automatically combines, cancels, and simplifies with our innovative SmartUnits™.

Programming, Statistics

PentaCalc Pro includes all of the calculators you would expect plus a couple you wouldn't. Complete Programming and Statistics calculators are also included.