42S Calculator|生產應用線上App不用買

*** New Feature: Program Import and Export ***

42S is a Windows Phone port of Thomas Okken's excellent Free42, a complete re-implementation of the highly praised HP-42S RPN scientific calculator. Thomas' original code was written from scratch, without using any HP code or using any ROM images, yet it is fully HP-42S compatible. This calculator provides all the functionality of the original HP-42S including several hundred built-in functions, extensive programmability, and printer output emulation.

Features:

- RPN operation

- Complex numbers

- Real and complex matrix operations

- Solver & numerical integration

- Statistics

- Base conversions and arithmetic

- Programmable function keys

- Extensive programmability for custom functionality. Existing HP-42S code packages can be leveraged for Engineering, Scientific, Financial, Statistical, etc functionality. Backward compatible with HP-41CX programs.

- Internally stores values and performs operations in 25 digit decimal precision

- Includes time & date functions based on the HP-41CV time module

A trial mode is offered with the following restrictions:

- Programs, registers and calculator state are not saved

- One digit after the decimal point is displayed correctly with remaining digits struck out

- Trial notice will pop up every two minutes

Version 1.17

- Implemented program import and export functions using SkyDrive

Version 1.16

- Increased key hit areas to include entire area surrounding key faces to prevent possible missed key presses.

- Allow for large-size tile.

Version 1.15

- Windows Phone 8 release

- Fixed Lumia 920 and WP8 compatibility issues due to WP8 display event ordering

- Adapted screens for multiple resolutions available in WP8

- Removed splash screen since WP8 has much faster startup times

- Added WP8 app list icon transparency (gets theme color)

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