I am not a fan of Texas Instruments calculators. They seem like cheap toys
compared to HP's contemporary offerings - but they are an important
part of calculator history. These are some examples I have picked up over time.
If you would like to add them to your collection, any trade offer involving HP
components will likely be accepted...
"Datamath" First TI LED model,
SR-11 Scientific notation & square root function; c.1974
SR-50 One of the first scientific-function models, c.1974.
TI-30 Inexpensive scientific, c.1976. Case & manual included.
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