WP 34s is the most powerful and complete implementation of a classic RPN scientific calculator. Now available on iOS too (see the support site for other emulators and for the real stuff).
The function set of the WP 34S is based on the most powerful programmable RPN calculators built so far and we expanded the set, incorporating programmer functions (base 2, 8 & 16), a fraction mode, probability distributions, a stopwatch...
We also included numerous additional useful functions for mathematics, statistics, physics, engineering, programming, I/O, etc., such as:
+ Euler’s Beta and Riemann’s Zeta functions, Bernoulli and Fibonacci numbers, Lambert’s W, the error function, and the Chebyshev, Hermite, Laguerre, and Legendre orthogonal polynomials (no more need to carry heavy printed tables),
+ many statistical distributions and their inverses: Poisson, Binomial, Geometric, Cauchy-Lorentz, Exponential, Logistic, Weibull, Lognormal, and Gaussian,
+ programmable sums and products, first and second derivatives, solving quadratic equations for real and complex roots,
+ testing for primality,
+ integer computing in fifteen bases from binary to hexadecimal,
+ extended date and time operations and a stopwatch3 based on a real-time clock,
+ financial operations such as mean rate of return and margin calculations,
+ 88 conversions, mainly from old Imperial to universal SI units and vice versa,
+ 50 fundamental physical constants as accurate as used today by national standards institutes such as NIST or PTB, plus a selection of important constants from mathematics, astronomy, and surveying,
+ Greek and extended Latin letters covering the languages of almost half of the world’s population (upper and lower case in two font sizes), plus mathematical symbols.
A beginner manual can be downloaded at http://sourceforge.net/projects/wp34s/files/doc/WP_34S_Beg_Guide.pdf and a full, very complete version at http://sourceforge.net/projects/wp34s/files/doc/Manual_wp_34s_3_1.pdf
Fixes some problems with iOS 14
Ratings and Reviews
A faithful emulation of the wp-34s
I own the physical device (a re-flashed HP business calculator) and this emulation is quite good on an iPhone. On the iPad especially when used in landscape mode it’s a little comical as the buttons are scaled to fit sideways. I would recommend only taking one half of the screen in that situation and using the other half to permanently display some of the pop up information like the function catalogue, etc.
With the latest update, lists are unreadable
I have the HP30B and a converted WP34S. The only issues with this update is that all the pick lists are darkened and are not readable, for example, key in h and X.FCN and you won’t be able to read the choices.
an emulated version of the WP34s calculator. This was written by folks who used HP calculators in their field, so they know what's up. It's full featured, including scientific function, calculus, matrix, complex, and computer maths functions, and it's RPN.
Seriously, give it a go! If you like RPN calculators you'd do yourself a disservice by passing this one up. I have the actual calculator and I love it. Extremely useful at university! Even better now that I can run it on my mobile!
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- Pascal Meheut
- 15.1 MB
- Requires iOS 8.0 or later.
- Requires iPadOS 8.0 or later.
- iPod touch
- Requires iOS 8.0 or later.
- Requires macOS 11.0 or later and a Mac with Apple M1 chip.
- Age Rating
- © 2013, Pascal Méheut
With Family Sharing set up, up to six family members can use this app.