Products

Perpenso Calc

A fully paid app.
Five calculators in one: scientific, statistics, business, hex and bill/tip

$Perpenso Calc, five calculators in one, scientific, statistics, business, hex and bill / tip, fractions, complex numbers, rpn, tvm, rgb, hex$ Learn more ▸
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Perpenso Calc 4

An upgradable lite app.
Five calculators in one: scientific, statistics, business, hex and bill/tip

$Perpenso Calc 4, five calculators in one, scientific, statistics, business, hex and bill / tip, fractions, complex numbers, rpn, tvm, rgb, hex$ Learn more ▸
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FAQ ▸
PDF Manual ▸

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Downloads

A manual designed for the iPhone display is built into Perpenso Calc and Perpenso Calc 4. A downloadable PDF-based manual with additional content is available.

Perpenso Calc Manual (PDF)