What's New

- Expanding the calc is back for iOS 7
- New preference for hiding toolbar
- Fixes (iOS 6 double-tap, Ans, more)

App Description

ND1 is an advanced, programmable RPL/RPN calculator that can calculate with numbers, complex numbers, fractions, vectors, matrices, strings, images, algebraic expressions, and other types of objects.

Over 500 operators deliver a total of over 2,000 functions across all object types.

In many ways, ND1 is a modern day update to the RPL calculator line from HP (28, 48-50g).

It offers RPL, RPL+, JavaScript, networking, and modern graphics (HTML5) and storage (a database with local and cloud backing). ND1 has an unlimited stack.

Try ND0 before you buy, if you're unsure ND1 is for you.

There's plenty of documentation for ND1.

Please see the support website for full specs, a "Quick Tour", tutorials, reference documentation, and a discussion forum, where support can be found.

App Screen Shots

(click to enlarge)

App Changes

July 10, 2014 Price Decrease: $5.99 -> $2.99
March 10, 2014 Price Decrease: $5.99 -> $2.99
January 31, 2014 Price Decrease: $5.99 -> $2.99
November 15, 2013 New version 1.5.1
April 23, 2010 Initial Release

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