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Does anybody have the Texas Instrument progammable calculator TI-57 manual in english? I already have TI-57 II manual, but I need the TI-57 one. I have looked for it in all posibble internet sites and I just can't fnd it.

I'd apreciatte any help.

Thanks and greetings from México.
I didn't see archive.org mentioned in the thread. Many old manuals for Tandy and others.
Various Tandy/TRS-80 Computers and Peripheral Manuals (see 00_index.txt for complete listing)

Tandy series Computer "Setup" programs (needed for bios configurations)

Retro Computer Scene web site carries software and manuals for C=, 8bit Apple II, Atari, MicroBee, Tandy, BBC Micro, Oric, TI, and Amiga
select type and search away.. great little site

CP/M "Humongous" software archive, yes it cp/m but so much more, trs-80, and other system, look around you will find something your looking for

TRS-80 Colour Computer Archive

Biggest Archive of manuals of course is https://www.archive.org

TRS-80 Search : https://archive.org/search.php?query=TRS-80
Atari Search: https://archive.org/search.php?query=ATARI
Commodore search : https://archive.org/search.php?query=Commodore
etc ect you get the idea.
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