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MathU RPN Calc

By Creative Creek, LLC

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Description

MathU RPN is an advanced scientific and fiancial calculator designed in the spirit of classic HP calculators. MathU RPN is based on the Reverse Polish Notation (RPN) entry system and combines more than 96 functions to create a calculator that meets the needs of professionals who use a calculator every day.

MathU RPN was created by a Ph.D from M.I.T. who is a MATLAB toolbox author and has 10 years of experience creating calculators for mobile devices. Dr. Clay M. Thompson of Creative Creek has harnessed the computational power of the iPhone to produce an accurate and high performance calculator.

General Features
- IEEE double precision accuracy (16 digits)
- High performance fast computations
- 20 storage registers
- 5 financial registers
- 16 high stack (switchable to 4)
- Supports international number separators
- Switch between portrait and landscape keypads
- Quick access to the preference and on-line manual

Scientific Features
- Full set of trigonometric functions
- Full set of logarithmic and power functions
- Statistics functions
- Polar and rectangular conversions
- Repeated computations

Mortgage and Loan Features
- Time value of Money functions
- Compute mortgage and loan terms
- Solve for payments and interest rates
- Solve for IRR and NPV
- Date functions

Computer Science Features
- Number bases (HEX, OCT, DEC, BIN)
- Bitwise logical operations
- Masking and shifting functions
- Support for a wordsizes up to 48 bits
- Modular arithmetic

MathU RPN 2.0 contains many major improvements to the calculator. Eighteen new functions have been added, some of the existing functions have been made more accessible and the display has been improved.

The update makes MathU RPN 2.0 a better programmer's calculator. The A-F keys are available right up front for easy entry in HEX mode and seven new functions for working with integers have been added.

MathU RPN 2.0 is also a better financial calculator. There are new functions for computing mortgage amortization and cash flow computations like IRR and NPV, as well as functions for working with dates. Many of the existing financial functions have been extended to handle odd periods (conforming to the same conventions as the HP-12C).

The scientific side of MathU RPN has also been improved by adding functions for linear regression as well as computing the percent of total.

In particular, improvements in this update include:

o A two line display option so you can see more of the stack.

o Date functions to compute the day of the week, days between dates, and a date in the future.

o Linear regression functions to compute an estimated y or x value along a fitted line.

o Bit manipulation functions to shift, mask and compute the number of bits in the integer representation of a number.

o Direct access to A-F in HEX mode for easy number entry. The A-F keys replace the financial functions on the keypad when a non-decimal number base is being used.

o Improved display of HEX, OCT, BIN numbers with bit position subscripts for easy interpretation. Very long binary numbers wrap over two lines when they get too big.

o Direct access to storage registers 10-19 via the STO .0 through STO .9.

o Extensions to the financial functions to handle odd period calculations. MathU RPN now conforms to the same conventions as those used on the HP-12C.

o An extension to the random number function RAND to compute random integers when the calculator is in HEX, OCT or BIN mode. In decimal DEC mode, RAND generates a random real value between 0.0 and 1.0.

o A new preference to choose between a single line display or the two line display (Show More Stack) and a preference to choose the date format (M.DY vs D.MY).

o [Bug fix] Word size setting in the preferences now supports the full 48 bits.

For more info (including the users manual)
go to http://www.creativecreek.com

What's New in Version 2.2.2

MathU RPN 2.2.2 is a bug fix release:

- A bug was fixed that caused the wrong Y register value to display after a CLX (when "Show More Stack" is on)
- A bug was fixed in the DATE function that affected results near the first day of the month.
- A bug was fixed where the settings were not saved when terminated via the multi-tasking panel.

iPhone Screenshots

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Customer Reviews

Love this calculator!!

Best standard HP emulator I've ever used. All the functionality you would expect from an HP scientific and financial calculator. (I haven't tried the 41C emulators, because I don't need that much power anymore.)

This is my primary calculator. Had MathU calculators since my PalmOS days. They have always been robust and reliable. The developer is very responsive.

Gave 4 stars because there's currently a glitch that doesn't allow the calculator to work in portrait mode while on a phone call. The developer is working on a fix. Will go back to 5 stars when this is resolved.

The only 12c emulator to get

Like many others providing feedback, I first used Creative Creek's 12c calculator on my old Palm Pilot (palm V). This company has always impressed me both with their high quality customer service and their extraordinary professional attention to the mathematics and science of performing high precision calculations on different devices.

When I got my iPhone, the first app I looked for was this one. Go Creative Creek!

Best RPN Calculator

I've been using this calculator on my Palm Pilot sense it came out. Best one around. I'm hoping they come out with MathUPro like they had for Palm. I really miss it. Used it all the time. Never has bugs and when you need help they respond quickly. Pro please!!!

MathU RPN Calc
View In iTunes
  • $19.99
  • Category: Finance
  • Updated: Sep 30, 2010
  • Version: 2.2.2
  • Size: 1.0 MB
  • Language: English
  • Seller: Creative Creek, LLC

Compatibility: Requires iOS 3.0 or later. Compatible with iPhone, iPad, and iPod touch.

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