Advanced Calculators for iPhone and iPad

Welcome to the MathUniverse

MathU™ RPN

Scientific and Financial Calculator

MathU™ RPN is software that turns your iPhone, iPod touch or iPad into a Reverse Polish Notation (RPN) scientific and financial calculator. The software has a natural calculator interface that allows you to easily access the many scientific functions as well as mortgage and loan functions.

MathU™ 12D

Advanced Financial Calculator

MathU™ 12D is software that turns your iPhone, iPod touch or iPad into a Reverse Polish Notation (RPN) financial calculator made behave exactly like and surpass the classic HP-12C. The software has a natural calculator interface that allows you to easily access its many financial functions.

Compare Features

FeatureMathU 12DMath U RPN
Reverse Polish Notation √ √
KeypadLandscapePortrait or Landscape
Built-in Quick Reference√√
Stack Height44 or 16
Storage Registers2525
Exponential Functions√√
Date Functions√√
Random Number Generator√√
Statistical Functions√√
Weighted Mean and Std√
Loan and amortization functions√√
Programmable√
Bond Functions√
Depreciation Functions√
Trigonometric Functions√
Hex, Oct, Bin Functions √
Modular Arithmetic√
Bit Manipulation Functions√
Rectangular<->Polar conversions √

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Our Mission

We build calculators that help you tap into the numeric power of your mobile device. We do that by combining together thoughtful design, attention to detail and precision engineering to produce a line of exceptional calculators.

Our Promise

We love math. Because of that, our products are designed to make computations easier, straightforward and, we dare say, fun. Our software will always be high quality, advertising-free and affordable.

About Owner

Creative Creek was founded in 1998 by Dr. Clay M. Thompson to develop and market the MathU calculator for Palm OS. Since then, the calculator line has been improved and expanded onto the iPhone and iPad. More…