- HP-Xpander
The HP-Xpander was to be
HP 's newestgraphing calculator , but [http://news.com.com/2100-1040-252597.html the project was canceled] just months before it was scheduled to go into production. It had both a keyboard and a pen-based interface, measures 6.4" by 3.5" by 0.9", had a huge grayscale screen, and ran on tworechargeable AA batteries. It had a semi-translucent green cover on a gray case and an expansion slot.The underlying operating system was
Windows CE 3.0. It had 8MB RAM, 16MB ROM, ageometry application, 240x320 display, Hitachi SH3 processor, and e-lessons. One of the obvious omissions in the Xpander was the lack of acomputer algebra system .In
2001 HP 's design group in Australia was disbanded. HP decided to release the HP-Xpander software, named the Math Xpander, as a free application that runs on aWindows CE device. The [http://www.saltire.com/xpander.html Math-Xpander] software is hosted by [http://www.saltire.com/ Saltire Software Inc.] .If it were not for the project being canceled, the HP-Xpander would have been the first pen-based
calculator . Instead,Casio released theCasio ClassPad 300 in2003 to become the first pen-based calculator.External links
* [http://www.saltire.com/xpander.html Math Xpander] – The HP Xpander software which runs on Windows CE 3.0
* [http://www.xpander.org/ xpander]
* [http://www.hpmuseum.org/xpand.htm XPander on HPMuseum] – A good description of the Xpander on HPMuseum.com
* [http://www.hpcalc.org/xpander.php HP-Xpander]
* [http://www.rskey.org/detail.asp?manufacturer=Hewlett-Packard&model=HP+Xpander HP-Xpander]
* [http://news.com.com/2100-1040-252597.html News of Xpander Canceled] – Article on CNET describing the cancellation of the Xpanderimilar products
* [http://www.spacetime.us/pocketpc.htm Math SpaceTime]
*HP-49 series
* [http://www-fourier.ujf-grenoble.fr/~parisse/giac.html xCAS]
*TI-Nspire CAS
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