INTRODUCTION
The TI-73, like the older TI-80, is designed for middle school classes, but
features flash-upgradable ROM like the rest of TI's newest calculators. It
also improves upon the TI-80 with additional statistics functions and a link
port for transferring programs and other data.
PHOTOS
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MODEL SPECIFICATIONS
TI-73
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CPU
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6 MHz ZiLOG Z80
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Memory
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32K RAM (25K available to user), 64K Flash ROM
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Screen Size
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96x64 pixels, 16x8 characters
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Link Port?
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Yes
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CBL/CBR Support?
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Yes
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ViewScreen Model Available?
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Yes
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TI-Presenter Compatible?
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Yes
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TI Keyboard Compatible?
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No
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TI-Navigator Compatible?
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Yes
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OFFICIAL INFORMATION
» Official TI-73 home page at Texas Instruments
» TI Connect for the TI-73
» TI-Graph Link for the TI-73
» Guide Books from Texas Instruments
» TI-73 Manual
» Bid Specifications
» Graphing Calculator Comparison
» TI Online Store
OFFICIAL UPGRADES
» TI-73 FLASH Downloads.
Download Handheld Software Applications (Apps) from Texas Instruments. These add many features to your TI-73 including additional language support, StudyCards, text readers and many more.
» TI-73 ROM Downloads.
Download ROM updates for your calculator from Texas Instruments. These updates typically fix bugs and or optimize features.
» TI Connect
The TI Connect is the latest link cable produced by TI. It has a higher data transfer rate than the TI-Graph Link cable. It's a USB cable and lets you transfer data files (such as programs) between your calculator and your computer.
» TI-Graph Link
The TI-Graph Link is the older link cable produced by TI. It does not have as high of data transfer rate, but it does work wih almost all calculators. It connects to your serial port and like TI Connect is widely used to transfer data files (such as programs) between your calculator and your computer.
ROM VERSIONS
From time to time, TI will update the internal code of their calculators to
work around bugs, optimize functions, and even add features. This results in
several versions of each calculator in the marketplace. You can check the ROM
version of your TI-73 using the following key sequence and reading the number
on your screen:
[2nd] [MEM] [1]
Known ROM versions:
- 1.3004
- 1.3007
- 1.40
- 1.50
- 1.60
- 1.80
- 1.85
- 1.90
- 1.91
UNOFFICIAL UPGRADES
» Link Cables
Link cables let you transfer data files (such as programs) between your
calculator and your computer.
» Power Extension Page
The Power Extension instructions will show you how to use AA (instead of AAA)
batteries without making any modifications to your calculator.
BASIC PROGRAMMING
» Tutorials at TI-Freakware
ASSEMBLY PROGRAMMING
» TI FLASH Studio
by Texas Instruments
EMULATORS
Several emulators are available to let you simulate TI calculators on your
computer. To locate available emulators and learn how to download a ROM image from your calculator, see our
Emulators page.
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