====== Rekenmachines Calculators ======
  * [[http://hp-15c.homepage.t-online.de/download.htm|HP-15C]] 
  * A Simulator for Windows, Linux and Mac OS X
  * [[http://www.bartosiak.org/nonpareil/|HP calculators simulator for Mac]]
  * [[https://en.wikipedia.org/wiki/HP_calculators|Wikipedia HP calculators]]
  * http://www.hutter1.net/calculators/index.htm


===== Casio =====
  * [[http://www.hutter1.net/calculators/fx602p.htm|fx602p]]
  * [[http://www.asahi-net.or.jp/~ey5k-myhr/fx602p_e.htm|Dr. K. Miyahara's FX-602P page (Lots of useful infos)]]
  * [[http://ernst.mulder.com/calculators/casio-fx602p-body.html|Ernst Mulder's FX-602P page]]
  * [[http://www.casiofx602p.de.vu/|Arno Schweißinger's Casio FX-602P page (some nice programs)]]
  * [[http://www.infserv.nacamar.de/articles/articles17.html|Thomas Ell's Vorstellung: Casio FX-602P]]
  * [[http://www5.tripnet.se/~kennethm/scm/fx-602p/|A composing tool for the Casio FX-602P pocket calculators]]
  * [[http://www.rskey.org/fx602p.htm|Gamma Function for Casio FX-602P and some other infos]]
===== HP28 =====

  * [[http://luc.xalasys.com/HP28|Luc's site HP28]]
  * [[https://en.wikipedia.org/wiki/HP-28_series]]
  * http://www.thimet.de/CalcCollection/Calculators/HP-28SC/HP-28-PowerConsumption.html
  * https://www.hpcalc.org/hp48/docs/opening/openitup.txt
  * 
===== TI59 =====
  * http://www.marekczeszek.com/sitemap/homepage/ti-59-how-to/ti-59-how-to.htm
  * http://www.vaxman.de/my_machines/texas_instruments/ti-59/ti-59.html
  * https://www.ti59.com/people.htm
  * http://www.rskey.org/CMS/index.php/the-library/12
  * http://www.datamath.org/
  * http://www.datamath.org/Sci/WEDGE/TI-59.htm
  * http://www.datamath.org/Sci/WEDGE/JPEG_ti-59.htm
  * http://www.datamath.org/Sci/WEDGE/Modules.htm#Standard%20Modules
  * http://83.156.189.247/ti58c/site/liens.php?langue=EN&smenu=About%20the%20TI
  * http://www.vaxman.de/my_machines/texas_instruments/ti-59/ti-59.html#basics
  * https://dl2dw.de/blog/55-ti59-reparatur
  * 
===== Online rekenmachines =====
https://www.eenheden-omrekenen.info/eenhedenomrekenmachine