TI-73 series
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TI-73 series are graphing calculators made by Texas Instruments.
The original TI-73 was originally designed in 1998 as a replacement for the TI-80 for use at a middle school level (grades 6-9). Its primary advantage over the TI-80 is its 64 KB of flash memory, which holds the calculator's operating system and thereby allows the calculator to be upgraded. Other advantages over the TI-80 are the TI-73's standard sized screen (as opposed to the TI-80's smaller screen), the addition of a link port, 25 KB of RAM (as compared to the TI-80's 7 KB of RAM), and a faster 6 MHz Zilog Z80 processor (as compared with the TI-80's 980 KHz proprietary processor). The TI-73 also uses the standard 4 AAA batteries with a lithium backup battery (instead of the TI-80's 2 CR2032 lithium batteries).
In 2003, the TI-73 has been slightly redesigned and redesignated the TI-73 Explorer to indicate its currently intended use as a bridge between the TI-15 and similar calculators and the TI-83 Plus, TI-84 Plus, and similar calculators.
Due to lack of demand in middle schools, the TI-73 and TI-73 Explorer have not been huge sellers for TI, and are not carried by most retail stores.
External links
- Features of the TI-73 Explorer (http://education.ti.com/us/product/tech/73/features/features.html)
- A site with frequent news features, tutorials, active forums, a large and convenient archive and more is CalcGames.org (http://www.calcgames.org)
- Some TI-73 programs can be found at [1] (http://www.ticalc.org/pub/73)
- Other programs for the TI-73 can be downloaded at [2] (http://www.Cemetech.net)