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Diverse: Free42 v1.4.60

AEP Emulation Page - Emulation News Forum Index » Emu News » News

Author

Message

step1978

Post subject: Free42 v1.4.60

Posted: Nov 09, 2009 - 03:46 PM

News Scout

Joined: Jun 25, 2005
Posts: 3959

Location: Berlin

Highscores in 09/2010

Status: Offline

Free42 ist eine freie Re-Implementierung des programmierbaren wissenschaftlichen RPN Taschenrechners HP-42S , der von 1988 bis 1995 von Hewlett-Packard hergestellt wurde und dem HP-82240 Drucker. Free42 ist eine komplette Neufassung und enthält keinen HP Code. Es werden keine ROM Abbilder benötigt um es zu verwenden. Dennoch ist es völlig kompatibel zum HP-42S.

Free42 is a complete re-implementation of the HP-42S scientific programmable RPN calculator,was made from 1988 until 1995 by Hewlett-Packard 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.

Quote:

08-11-2009: release 1.4.60

* Decimal version: SQRT could be off by 1 in the final digit. It now computes
one additional digit and rounds it into the mantissa, which should make it
accurate in all cases.
* The BCDFloat add and subtract functions could return denormalized results
when one of the arguments was zero. Free42 would not display these
denormalized numbers correctly, leading to strange results like 1.0001 LOG
returning something that looked like zero but wasn´t. Fixed.


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