A Digital 10-Key Calculator that mirrors real-life

A Digital 10-key Calculator that mirrors Real-life

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Featured Calculators

Scientific | Financial | Unit Conversion

Full-featured Scientific and Financial calculators. Convert between hundreds of units with SmartUnits™

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Save, edit, and recalculate your live tape.

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Programming | Statistics | Graphing

Complete Programming, Statistics, and Graphing calculators

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10 Key calculator
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Pentacalc - Calculator Software (Digital Download)

Digital Download | Calculators includes:

10-key calculator | Scientific calculator | Financial calculator | Programming & Statistics calculator | Graphing calculator

Windows XP/Vista/7/8/10 | 32/64-bit OS | 2MB

Demo Video - 10 key calculator

Digital Tape Reel

Track all of your calculations with a digital tape reel. The digital tape automatically updates whenever you change a number. 

You can also save and print your digital tape.

Tons of Specialized Digital Calculators

Pentacalc includes specialized calculators for every situation. Looking for a calculator we don't have. No problem, with Pentacalc you can create your own custom calculator or button.

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