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First calculator with "textbook" input/output?
08-04-2021, 09:55 AM
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RE: First calculator with "textbook" input/output?
(08-03-2021 04:32 PM)Dave Britten Wrote:  There was the Sharp EL-9200 and EL-9300, which some web sites claim came out in 1995, but I know I had an EL-9200 sometime in 1993 or 1994.

For what it's worth, the copyright notice in the manual for the EL-9200/9300 (they're both pretty much identical except for RAM size) is dated 1992, which bears out your memories of having one in '93 or '94.

(08-03-2021 04:32 PM)Dave Britten Wrote:  I don't think Casio had textbook I/O until the fx-9860G around the mid 2000s, and TI added it to the TI-83 Plus at some point in its firmware update history.

The TI-92, released in 1995, also has this if memory serves.

Checks quickly on a TI-92 in the collection....

Yup. Confirmed.

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RE: First calculator with "textbook" input/output? - grsbanks - 08-04-2021 09:55 AM

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