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

Contact Us

We’d love to hear your feedback or answer any questions you may have.

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…