Principal Business Software

AprCalc

Definitive Solutions, Inc.

Feature-rich mortgage amortization program. Enter any three figures and compute the fourth. Supports fixed, variable, biweekly, Canadian, and more. Animated 3D graphs, 'rich text' notes, customized printouts, discount points breakeven, much more.

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PickStock

Bell Software and Services, Inc.

Uses principal components analysis to search out potentially underpriced stocks by analyzing a user-supplied database of historical stock prices. The program is believed to be an implementation of what is known as 'arbitrage pricing theory'.

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