RPN Turbo Calc Programmable

This app has 4 components: (1) Adding machine with a 'tape' containing up to 40 items. You will use this most often. (2) Financial/ Scientific Calculator - simulates HP Calculators (3) Interacts with Excel spreadsheets using a comma delimited row or column. (4) It's programmable Plus there's a 30 day free trial.

This is an enhancement of the App: RPN Turbo Calc X3. It has the same functionality plus the ability to be programmed. The first 3 screen shots are programming examples. The last 6 are extracts from the program page's Help Text. The design goal of this app is to provide visibility for ALL of the data that you have entered. This data is saved so that the next time you use this app, your data has been saved and still visible. This app it has a "Read Me" file to assist in getting acquainted. It contains 9 pages with the first item on each page being its help text' It uses 'Reverse Polish Notation' concept which is "Enter all of your data first - then your calculations."

It uses a touch screen numeric keypad and if a keyboard is attached its numeric keys are usable. It retains the most recent 12 numeric keyed items for reuse. It supports "Windows" copy/paste for numeric items to and from the stack or 2 column list. This feature facilitates data entry. The 8 pages support: Annuities, Bonds, Cash flow, Depreciation, Statistics, Proration, Probability and traditional Math and Trigonometry functions. There is facility for 26 user defined named values, All values are retained between sessions. Each page has its own help text and messages. 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 such items as Cash Flow and Statistics data entry. Unlike the Stack, individual items can added, inserted, changed and deleted. Six pages use the common stack as their data entry vehicle. Two the common list. The Program page has the program list on the left and on the right is a list of all possible program instructions