- Supported Devices
- Mobile
- Updated
- May 21,2019
- Size
- 2.08 MB
- Age
- Everyone
- Release Date
-
- Description
-
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 1.18
- Fixed bug where inserting END from catalog or XEQ "END" into a program caused app to crash.
- Adjusted incorrect key sizing on 9 and divide keys
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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