Free rpn software for windows

RPN Calculator Bar displays a simple and minimally invasive RPN Calculator on top of the status bar. It features basic arithmetics, a 4-values-deep stack, mathematic functions and 6 memories. The values stored in memory are saved from one session to the next.
The keyboard can be used to enter numbers (use DEL or CTRL+BACKSPACE to erase the last character) and perform most basic operations (select the "View keyboard shortcuts" menu to see the full list.)
The calculator bar can be shown/hidden by clicking on the statusbar icon or with the SHIFT+R keyboard shortcut. A tooltip showing the contents of the stack is displayed when the mouse hovers over the words "RPN Calculator" at the left of the bar.
To copy into the clipboard the result of the last computation, use the contextual menu (right-click on the statusbar icon) or the CTRL+ALT+C keyboard shortcut.

System requirements:
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perform arithmetic operations in either RPN (Reverse Polish Notation) or ALG (Algebraic) mode.more than one hundred functions are supported, including algebraic, trigonometric, hyperbolic, date, statistical, and financial functions.In addition to Farsight Calculator contains a set of powerful tools,such as "Finance box","date calculations" and "Unit convertor" etc.
Main Features
1.RPN&ALG Mode
Farsight Calculator can be set to perform arithmetic operations in either RPN (Reverse Polish Notation) or ALG (Algebraic) mode.
2.Date Calculations
Determine information about a specific date, or calculate the date 90 days from today.
3.Financial Functions
Calculate loan payments, depreciation, cash flows, and interest rate conversions.
4.Unit Conversions
Over 100 units of measure in six categories makes converting easy.
5.Change Skin