Texas Instruments
Model 1250 Calculator

[Picture of Calculator]

    The TI-1250 pocket calculator is a device which might be considered a "second generation" handheld machine, the first generation being represented by the HP 35 .

    Unlike the HP 35, though, this is a simple "four-banger" with a single accumulating memory. It, also unlike the 35 (which uses RPN or Reverse Polish Notation), uses Algebraic notation (in which equations are entered into the machine as they appear on paper).

    I'm not sure about the exact age of this device, but it's at least 15 years old.

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Last Modified: Fri Mar 8 12:19:17 EST 1996