ND0 RPN Graphing Calculator at App Store analyse

App power index: 180 (based on ranks around App Stores today)
Productivity Education
Developer: Naive Design
Price: 0 free
Current version: 1.5.1, last update: 1 year ago
First release : 24 Oct 2010
App size: 2.33 Mb
4.2 ( 5312 ratings )
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Estimation application downloads and cost

> 3.96k
Monthly downloads
~ $ 1.62k
Estimation App Cost

Caution: This calculator works with RPN entry (like an HP 28, 48, 49, 50g), as well as with algebraic entry. Switch to alg mode to get a "=" key.

This calculator does not work like an ordinary calculator, and is not merely an improved version of the Apple calculator. Its designed for calculator enthusiasts, students, professionals. Youd be an unusual kid (in a good sense), if you used it in school.
Therere 300 pages of documentation on the apps website. You will have to do at least the "Quick Tour" to make good use of it.


ND0 is a highly programmable calculator with graphing abilities. Its the free three stack positions version of ND1, which has an unlimited stack.

More than 500 commands operate on numbers, complex numbers, expressions, vectors, matrices, strings, and other types of objects, such as "Chemical Formula" and "Color".
Over 2,000 functions result from all type/command combinations. (The "+" key alone has ~20.)

The calculator supports RPN and algebraic entry.

ND0 doesnt (yet) have a CAS, although it supports a level of symbolic manipulation (incl. symbolic vectors and matrices) and has functions like prime factorization and BigNum arithmetic, which are sometimes listed as CAS functionality.
For integration, differentiation, Taylor, and solving, the app goes out to WolframAlpha™ and displays results in an app-integrated browser.

ND0 is programmable in JavaScript and RPL+, directly on the device or from a computer. It and ND1 are the only non-HP calculators that can run many 50g programs.

Data exchange with a computer, and access of the Internet is easy. Also, shared folders are available for download in-app, for things like "Project Euler" problems, or the symbolic manipulation of polynomials.

Please see the apps website for full specs, a "Quick Tour", tutorials, reference documentation, and forums, where a range of topics are discussed and support can be found.
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Available in countries
Country Price
Canada free
China free
France free
Germany free
Italy free
Netherlands free
Portugal free
Spain free
Poland free
UK free
India free
Japan free
Poland free
Russia free
Turkey free
USA free
Korea, Republic Of free
Ukraine free
Available for devices
iPhone3GS, iPhone4, iPodTouchFourthGen, iPad2Wifi, iPad23G, iPhone4S, iPadThirdGen, iPadThirdGen4G, iPhone5, iPodTouchFifthGen, iPadFourthGen, iPadFourthGen4G, iPadMini, iPadMini4G, iPhone5c, iPhone5s, iPadAir, iPadAirCellular, iPadMiniRetina, iPadMiniRetinaCellular, iPhone6, iPhone6Plus, iPadAir2, iPadAir2Cellular, iPadMini3, iPadMini3Cellular, iPodTouchSixthGen, iPhone6s, iPhone6sPlus, iPadMini4, iPadMini4Cellular, iPadPro, iPadProCellular, iPadPro97, iPadPro97Cellular, iPhoneSE, iPhone7, iPhone7Plus, iPad611, iPad612, iPad71, iPad72, iPad73, iPad74, iPhone8, iPhone8Plus, iPhoneX,
Excellent calculator and project

All the bad evaluations are really not justified. Go to more basic models, if you have basic needs... This is certainly one of the best current project to develop the next generation all purpose scientific RPN calculator (HP should have done it but they have now unfortunately retired from this market). ND0 and ND1 go beyond the best calculators ever designed by HP (in the 28, 48, 50G series). It is easier to use, has great programming features, is faster. The author seems very responsive. If you are a scientist or an engineer this is definitely an excellent choice. The only missing feature for me is the CAS, but the interface with Wolfram solves partly this issue. A built in 50G CAS and this would become the dream machine... The ND1 version is really cheap given all the features (unlimited stack, ...) A new HP50G is +100€...


looks like it has some little bugs, but i loved the idea and specially its gratuity. Ill explore more and test this week and give you some accurate feedback. Thanks for the app!!! hope you suport it


I have an HP 39GS and this one is too hard to use and has too much advises. Every click one no sense advise.


Der Rechner ist sehr sehr unübersichtlich, man kann nichtmals erkennen wie man an die Shift Taste kommt und ein =-Zeichen sucht man ebenfalls vergeblich

Geile App.

Bin sehr zufrieden. Ich hab zwar noch nicht alles verstanden, Kämpfe mich aber Wacker durchs Handbuch. Komme leider ab und zu an die grenzen der gratisversion, ansonsten finde ich alles, was ich brauche. Und wenn ich hier wieder die kiddy flames sehe ( gleichtaste???) kann ich nur sagen: macht erstmal die Grundschule fertig, da lernt man lesen.... Das hilft!

Ziemlich gut aber schwierig zu einstellen

Nicht zu empfehlen!!!!

Sehr schlecht gemacht. Was muss man den studieren um es bedienen zu können?

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