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1973
Hardware Description
The SR-11 calculator added a constant-switch and PI to the wedge shaped predecessor SR-10. More notable was the new layout of the keyboard, with the SR-11 Texas Instruments introduced the smaller keys known from todays calculators.
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Model Number:
SR-11 -
Manufacturer:
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Hardware Type:
Calculator -
Manufacture Year:
1973 -
More Info:
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