Published 8 June 2018
Calculator schematics etc
\\ For no particularly good reason I have a few old calculators, always thought the processor chips would be useful in some projects, but I now think they have been rather superceded by modern general purpose microcontroller chips which are easier to use. { { electronic:calculator:.jpg?640 |}} ===== Overview ===== ===== Hardware description ===== ===== Calculator collection ===== On the [[:electronic:equipment:calculator:sidebar|sidebar]] there is a list of calculators in my bedraggled collection. ====== References and Additional Resources ====== =====Old Calculators==== * [[http://www.calcuseum.com/|Calcuseum]] * [[http://www.datamath.org|Datamath]] * [[http://mycalcdb.free.fr/|MyCalcDB]] * [[https://www.rskey.org/CMS/|RSKey]] * [[http://www.vintagecalculators.com/|VintageCalculators]] * [[https://archive.org/stream/compulatorbookbu00havi|The Compulator book]], by Robert P. Haviland - a lot of info on the internal workings of calculators and interfacing them to other devices. =====Old Calculator Chips===== * [[https://www.rskey.org/~mwsebastian/calcwebpg/chiplist.htm]] If any referenced page no longer exists, try looking for its URL on http://archive.org. \\ ----