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Identifícate

A Scientific and Financial RPN Calculator (HP-12C & HP-15C likewise)

de lsrodier

Precio: EUR 1,83 IVA incluido (si corresponde)
Ahorre hasta 25% en esta app y en los elementos que contiene comprando Amazon Coins. Más información
Vendido por: Amazon Media EU Sarl
Disponible al momento
Idiomas disponibles: Francés, Inglés, Italiano

Esta aplicación necesita el permiso para acceder a:

Acceso a la función de vibración

Al realizar tu pedido, indicas que aceptas nuestras Condiciones de uso


Últimas actualizaciones

Novedades en la versión 1.61
  • Options menu when long-press on calculator display
  • Larger fonts in dialogs
  • Various fixes

Detalles del producto



Características del producto

  • Utilize a set of calculators inspired by the HP-10C series
  • Access complete keys and descriptions within application
  • Use in either horizontal or vertical orientation

Descripción del producto

My RPN calculator is a scientific and financial calculator inspired by the Hewlett-Packard HP-10C series pocket calculators of the 80s, most notably the HP 12C and HP 15C models. It features classical 4 operations, logarithms, trigonometry, statistics, financial, conversions tables, and macros for easy programming. It also features complete support for complex numbers along with 2nd, 3rd, and 4th degree equations solving.


Its unique magenta L key allows switching from one layout to another, thus saving space on small displays like smartphones without compromising usability.


Support for gestures allows switching from one keyboard to another by swiping left or right, and a light swipe up or down on a key executes the associated f or g function, without any need to actually press the f or g key.  
See the web pages of the application at http://calc.lsrodier.net for complete keys description and samples.

My RPN calculator is compatible with all devices running Android 2.1 and up and supports both horizontal and vertical orientations. It does however requires a device with a minimum screen resolution of 320x480 (or 480x320 according to orientation). Note that tablet screens 1280x800 and 1024x600 (including Kindle Fire) are properly managed.

Summary of the main functions:
* RPN input
* Portrait/landscape and multi-resolution layouts
* Gesture support for extended/simplified inputs
* Arithmetic functions (+, -, x, /, 1/x, +/-, etc)
* Trigonometry, logarithms, hyperbolic trigonometry
* Percentages (+, -, variation, total)
* Dates
* Complete complex numbers support
* 2nd, 3rd, and 4th grade equations solving
* Unit conversions (temperatures, distances, etc)
* Macros for simple programming tasks

Summary of the main statistical functions:
* 1- and 2-variable statistics
* Sums (Σx, Σx2, Σy, Σy2, Σxy)
* Mean, weighted mean, standard deviation
* Linear regression
* Correlation coefficient
* Linear estimation
* Statistical registers table

Summary of the financial functions:
* Simple and compound interests
* Cash flow analysis (NPV, IRR)
* Depreciation (SL, DB, SOYD)
* Financial registers table

Detalles técnicos

Tamaño: Varía según el dispositivo (604,7KB - 2,5MB)
Versión: 1.61
Desarrollado por: lsrodier
Permisos de aplicaciones: ( más información sobre los permisos )

Acceso a la función de vibración

Sistema operativo mínimo: Android 2.1
Tiempo de descarga aproximado: Menos de 30 segundos

Opiniones de clientes

3.5 de un máximo de 5 estrellas
5 estrellas
1
4 estrellas
0
3 estrellas
0
2 estrellas
1
1 estrella
0
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Principales opiniones de clientes

Compra verificada
En cuanto la instalé la volví a quitar. La verdad es que creo que hay cosas que se podrían mejorar tanto a nivel visual como a manejabilidad
Comentario ¿Esta opinión te ha parecido útil? No Enviando comentario...
Gracias por tu opinión.
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Informar de un abuso
Compra verificada
app gratis comprada con las promociones en su app para android xD . . . . . . . . .
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Gracias por tu opinión.
Lo sentimos, no hemos podido registrar tu voto. Vuelva a intentarlo
Informar de un abuso

Opiniones de clientes más útiles en Amazon.com (beta) (Puede incluir opiniones del Programa de Recompensas de Opiniones Iniciales)

Amazon.com: 3.8 de un máximo de 5 estrellas 166 opiniones
41 de 43 personas piensan que la opinión es útil
5.0 de un máximo de 5 estrellas WOW! Has all the features of a real HP-1x series AND tests accurate. 8 de marzo de 2014
Por Thom Bone - Publicado en Amazon.com
Compra verificada
Examples of a couple of the accuracy tests I ran on this app:

--The "one divided by nine" test: Basic fractional math tells us that one divided by nine and then multiplied by nine (1/9 x 9) should equal one. An accurate calculator will spit out the number 1, while an inaccurate one will report the answer as 0.99999. This app? Answer: 1 (Nice!)

Another example:

--The "square of root two" test: When you calculate the square root of two and multiply it by the square root of two, you should get back the original number in the equation-- 2. An accurate calculator will show the result as two, while a less accurate calculator will display 1.99999. This app? Answer: 2 (Nice!)

I did other tests also and I cannot find a problem with the accuracy of the calculations.

Very, very good! You'd be surprised how difficult it actually is to find an always accurate calculator on ANY OS, much less on Android.

Now then, how about the app itself? Well, if you know how to use an HP calculator, the learning curve on this is about 60 seconds. If you don't, this may not be the app for you UNLESS you wish to learn. To do that, simply look around on the internet and you'll find real HP calculator manuals. They pretty much work on this app.

I DO think that the developer should provide some good documentation or at least some links to resources or help BUT I cannot remove a star from this app because it really is nice.

Also, NO adware, third party addons or odd permissions. This app and developer respects the user's privacy.

My PROPS to Amazon AND this developer for giving the world such a useful app (if you are inclined to find use for it) as a FAOTD for today (the day I am reviewing it).

From the description: "It features classical 4 operations, logarithms, trigonometry, statistics, financial, conversions tables, and macros for easy programming. It also features complete support for complex numbers along with 2nd, 3rd, and 4th degree equations solving."

Yes, yes indeed, it does. This is some serious power in one app. Classic HP calculators have never been bested. This app acts like one, computes like one, is as useful as one and can even be programmed like one.

Five stars. This app is excellent,.
15 de 16 personas piensan que la opinión es útil
5.0 de un máximo de 5 estrellas A spectacular app that emulates the HP-15C scientific calculator, get it now! 8 de marzo de 2014
Por JJCEO - Publicado en Amazon.com
Compra verificada
I have used scientific calculators for decades and my first one was the Bomar MX100 that I purchased in 1974 for almost $200 dollars. That was a fortune back then (About $1008 in today's dollars). We have come a long way in research since then but to see a scientific calculator app based on the HP-15C as a no cost free app of the day is amazing. If you are a student or an engineer this is a must have app and it is well worth the price to purchase the app at $2.30.

In my design work I used all of the trig functions, roots, square and cube roots and logarithmic functions daily. This is a marvelous calculator and a must have app for many people.

It is laid out and uses the RPN format for entering equations. I do wish the app came with documentation but I easily found the HP-15 Owners Handbook online at HP. The Handbook is 288 pages long so I now understand why the developer didn't redo any of it. Google it and you will quickly find it in PDF format.

This app uses very little memory and it works extremely quickly and well. It is safe to install on your device and use. It only uses Amazon Licensing and the Android.permission.VIBRATE. This is a great app if you have to pay for it and it is a wonderful app if you get it for free.
1 de 1 personas piensan que la opinión es útil
5.0 de un máximo de 5 estrellas A great calculator for mobile devices 8 de marzo de 2014
Por J. Chambers - Publicado en Amazon.com
Compra verificada
This is hands-down the best non-game FAOTD in a while, so don't miss it. It would be a bargain even at the regular price of two dollars and change. I started with an HP-35 in the early 1970s after the original price had dropped substantially, and I've been with HP ever since. The two calculators I'm using now are the HP-20s (algebraic) and the HP-33s (RPN or algebraic). What I'm saying is that HP is the best. This is an awesome calculator to have on my Kindle Fire HDX 7". There are more functions than most people will ever use, but they're there if you ever need them. And if you've never used RPN, this is a good opportunity to learn.

Kudos to the developer for a really valuable app.
5.0 de un máximo de 5 estrellas Very well thought out and executed, does everything I need or might need 4 de septiembre de 2014
Por Phil A. - Publicado en Amazon.com
Compra verificada
There was a lot of thought and effort put into this app. I have owned many HP RPN calculators and still use two of them frequently. But, you can only fit so much stuff in one's pockets. It is not an exact replica of any one HP calculator, but really a mash-up of many. I might suppose it is really closest to the HP-35 in function, with an HP-1x layout. The constants and conversion functions are a nice addition and they work well.
5.0 de un máximo de 5 estrellas Impressive 19 de septiembre de 2015
Por Running Man - Publicado en Amazon.com
Compra verificada
I love this calculator. Besides having tried many other RPN calculator apps on my iPhone and a Nexus 7 tablet. I also own and use four classic HPs: the venerable 42S, a 17BII, a 15C, and a 12C. This little gem of an app is delightful and probably easier to use. The calculator is well thought out and includes various useful macros/scripts for performing financial and statistics functions, conversions, working with constants, etc. My only wish would be for the developer to put as much effort giving it aesthetics similar to a physical HP RPN calculator. Terrific value, highly recommended.

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