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Jack Kilby holding microchips and the first Cal-Tech calculator presented to Patrick E. Haggerty on March 29, 1967] - Texas Instruments Records - SMU Digital Collections
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Handheld Electronic Calculator Prototype - Texas Instruments Cal Tech | National Museum of American History
Fun and Passion for Texas Instruments - Pocketronic 1972 Here is the Calculator that approaches the Holy grail of TI Cal Tech. Canon immediately understood the Texas Instruments project started in September
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Caltech - Calculator Techniques/Mathematics/Engineering - Preface Over 40 years, the scientific - Studocu
Handheld Electronic Calculator Prototype - Texas Instruments Cal Tech | National Museum of American History
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