【實用商業app】RPN Turbo Calc - Phone|最夯免費app

An RPN stack based Calculator and adding machine. It contains 8 landscape pages supporting : Annuities, Bonds, Cash Flow, Depreciation, Statistics, Probability and other Math - Trigonometry functions. One page supports user defined and NAMED values. These values are retained between sessions. Each page has its own help text and messages. Most data is entered into a stack (push) and then retrieved (pop) from the stack for calculations. Data is saved so that it can be reused later. Two pages use a common 2 column list for Cash Flow and Statistics data entry. The list allows (pop) and (push). It also allows an individual entry to be changed or deleted. Insertions are performed by rotating the list so that the insert point is at the bottom of the list. The other 6 pages use the common stack as their data entry vehicle.

Index...

(1) Math-Trig: Binomial, Exponential, Poisson and Uniform Distributions. Trig and mathematic functions including a Triangle Solver.

(2) Annuities: Present Value, Future Value, Number of Periods, Rate Payments. Allowance for begin/end period payments.

(3) Bonds: Settlement, maturity and next coupon dates. Redemption value, annual rate and bond period type. Desired rate and price.

(4) Statistics: Stand summary values plus mean and standard deviation. Normal distribution and z-scores. Linear estimates and least square regression.

(5) Utilities: Normal Distribution 't' values, Critical values to 'f' distribution, and Critical values for Chi Square distributions. Combinations and Permutations. Date arithmetic. Polar coordinate conversion and Fahrenheit/Celsius conversion.

(6) Adding Machine. Two column adding machine 'tape', Cash flow and depreciation'

(7) User: 24 user defined containers with both a 'Pop' and 'Push' stack feature.

*** Have stylus ready ***

Conversion to Windows Phone 8.1, added triangle solver and corrected error reported by users.

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