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allRPNCalc Calculator

allRPNCalc Calculator
  • #: 18417
  • Price: $5.99 In Apple Store
  • Category: Finance
  • Updated: 2009-11-07
  • Current Version: 3.02
  • 3.02
  • Size: 0.50 MB
  • Language: English
  • Seller: Ernest Brock
  • Requirements: Compatible with iPhone, iPod touch, and iPad. Requires iOS 3.0 or later
  • © 2008 Ernest Brock
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Description

allRPNCalc is a versatile calculator that uses the powerful Reverse Polish Notation logic system combined with an automated 4 level stack to compute answers to complex mathematical problems. The keyboard layout and display have been optimized for use on an iPhone or iPod Touch. Large keys with sound feed back give you typing confidence and the last function keyed is always displayed. Functions are logically laid out to eliminate multiple key entry for most problems.

(Please see Calc12C+ for a fully programmable version of this calculator at the same price).

Display: Results are displayed in fixed, fraction, scientific or engineering notation with from 0 to 14 significant digits displayed. In programmer’s mode hex, decimal, octal or binary (with windowing) can be displayed. Calculations are carried out in industry standard IEEE double format with 14+ significant digits and exponents ranging +/-308.

Math: +, -, ×, ÷, ln, log, eˣ, 10ˣ, yˣ, x², x³, 1/x, √x, ∛x, fraction part, integer part, absolute value, random, seed, mod

Trigonometry: sin, cos, tan, asin, acos, atan, sinh, cosh, tanh, asinh, acosh, atanh, to radians, to degrees, to rectangular, to polar, to hours, to hours minutes seconds, hours minutes seconds add and subtract, triangle solver, π, π/2. Trig functions can be computed in radians, degrees or gradians.

Statistics: sum plus, sum minus, mean, weighted mean, standard deviation, population standard deviation, linear estimate x, y and correlation coefficient, combination, permutation, factorial (gamma), percent, delta percent, percent of total

Programer’s functions: and, or, xor, not, shift left, shift right, rotate left, rotate right, word sizes 8, 16, 32, 48

Conversions: 47 world currencies and over 100 commonly used metric, english and other conversion factors used in scientific, engineering and financial calculations.

Financial: time value of money calculations, n, i, pv, pmt, fv, depreciation (straight line, sum-of-years, declining balance), bond price and yield to maturity, amortization, net present value, internal rate of return, up to 80 cash flows, days between dates, date plus days, rounding.

Storage: 4 level automatic stack with lastX, exchange and roll down, 20 general purpose storage registers, register arithmetic +, -, ×, ÷ , 6 dedicated registers for statistics, 80 cash flow entries, 5 financial registers.

What's New in Version 3.02

Add SI number formatting option

iPhone Screenshots

allRPNCalc Calculator iPhone Screenshot 1

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Rated 5/5 based on 3 customer reviews.

 

5/5 stars

Richwolski

:
I tried a few rpn apps and this one (the last) is it, has a practical layout and is easy to toggle between modes. Also the "look" is great, similar to Apple's built in calc (keys) - a personal preference.

Great job!!

5/5 stars

Don't leave home without it

:
I consider the program of the MOST valuable ones on my iPhone...and wouldn't leave home without it. My wife doesn't understand why I need RPN for routine math, not to mention financial calculations, trig functions and statistics...but I do! When a recent "update" glitch, now resolved, left me without the program for several weeks, I realized how much I missed it, as I found myself trying to open it several times a day. Ultimately, getting it again operative, once I found the instructions on the developer's website, proved ridiculously quick and easy. A particularly nice feature for the Financial section is its nearly automatic generation of a full amortization or depreciation schedule. The one feature I would like to see in the next version would be operation in both the current vertical but also, the horizontal mode, the latter the way one uses the fabled HP11C and HP12C, which I have in the hardwired versions, but which I no longer carry, as allRPNCalc makes them superfluous, rather like a DC-3 in an Airbus 380 era.

5/5 stars

Superb multi-functions with a usable interface.

:
Although I have a different preference in the placement of the keys (I prefer an HP41 layout with the operand keys to the left of the numeric keys) and there is no programmability to this calculator, for what it can do and for the relative ease of being able to do it, I give this app five stars.

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The information may be outdated (2011-03-27 21:44:10). For actual information go to iTunes


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