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Free42 1.4.53
Freeware 
Latest update : Apr 19, 2008
File Size: 403 KB
Download: available

Min Requirements:

- Pocket PC Version 2002 or later
- ARM Processors

Author: Thomas Okken
Info/description:

Free42 is a complete re-implementation of the HP-42S calculator and the HP-82240 printer.

Free42 was written from scratch, without using any HP code. You do not need any ROM images in order to use it, yet it is fully HP-42S compatible.

Update Description:

v1.4.53 (17-08-2009):
- Decimal version: fixed a bug in the subtract routine that could cause incorrect, malformed results in some cases, e.g. 4 ENTER 3 / 1 - 3 * 1 - returned -:.E-25.
v1.4.52 (08-08-2009):
- New: Mac version. This is a native application, not a Dashboard widget; it is functionally identical to the PC versions (Windows, GTK, and Motif). The print-out window doesn't work yet, though printing to files does; everything else is working. The print-out window will be finished in a two or three weeks, barring the unforeseen. I'm releasing the app in this incomplete state because I feel it is stable and usable, and should be a big improvement for those currently using the Dashboard widget. This is a Universal application, so it should run on PowerPC and Intel-based Macs. It requires Mac OS X 10.5 or later.
- Decimal version: Merged Hugh Steers' latest BCD code. This provides more accurate transcendentals and some bug fixes.
- Also, Hugh improved the error estimate for the Romberg integration code; it now converges more quickly in many cases.
- MacDashboard version: now recognizes '*' and '+' on the numeric keypad.
v1.4.51 (10-07-2009):
- Changed the homepage URL to http://thomasokken.com/free42/.
v1.4.50 (29-06-2009):
- Adding or subtracting two complex matrices, and adding or subtracting a complex matrix in X to or from a complex scalar in Y, would cause memory corruption, resulting in a crash soon after. Fixed.

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