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The Curta Poster
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exploded view Curta posters
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"The Museum"!
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Calculators of HP poster
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History of the Telephone
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Modern US Currency
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Modern US Currency poster
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Morse Code Click Here
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The Telephone Story Click Here
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Modern US Currency Click Here
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The Curta Poster Click Here
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The HP Poster Click Here
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The Curta German Poster Click Here
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(Click Here)
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HP Reference page
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HELP!!! Frequently Asked Questions
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Calculator Collectors, Data, Classifieds, Mail Distribution Lists, and Forums
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http://www.calculator.org/
Free 42 (HP-42S for your PC)
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https://thomasokken.com/free42/
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http://www.calculator.org/
Calc 98
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Desktop Calculators
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Keyboard Trivia
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Electronic Displays
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International Calculator Collector
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http://www.vintagecalculators.com/html/calculator_articles.html
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The Calculating Machines Numbers
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Erez Kaplan"s -- Calculating Machines
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https://web.archive.org/web/20050204000414/http://www.webcom.com/calc/
The Collector"s Guide to Pocket Calculators
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"The Collector"s Guide to Pocket Calculators"
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"The Collector"s Guide to Pocket Calculators"
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The CURTA Reference
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cu.htm
See the Curta Page for more links
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cu.htm
Christophe Mery"s Calculating Machine Documents
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http://www.machineacalculer.fr
Calculators" Pages by Walter Szrek
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http://www.calculators.szrek.com
Calculator History and Technology Archive Page by Alex Knight
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http://www.calcmuseum.com
Calculator Technical Information by Mike Sebastian
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http://www.calcinfo.com/
HISTORY OF THE CALCULATOR - by Josep Balsach
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http://www.balsach.com/LLIBRE%20JPG/INDEX%20SOLO.htm
Museum of Pocket Calculating Devices by Gerhard Wenzel
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http://www.calculators.de/
Old HP and TI Calculators by Gene Wright
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http://www.rskey.org/gene/hpgene/index.html
Programmable Calculators by Viktor T. Toth
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http://www.rskey.org/
The Old Calculator Web Meseum by Rick Bensene
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http://oldcalculatormuseum.com/
Vintage Calculators Web Page by Nigel Tout
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http://www.vintagecalculators.com/
Calculating Machines - Illustrated by Herbert & Walter
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http://www.rechenmaschinen-illustrated.com/
Mechanische Rechenhilfsmittel (Mechanical Calculating Equipment) by Wolf-G. Blümich
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http://www.bluemich.net/rechner/
The HP Reference
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hp.htm
The Calculator Store (Barcelona, Spain) by Jose Gonzalez
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http://www.thecalculatorstore.com
HP calculators in Brazil by William
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http://www.cscenter.com.br
Bring Back the HP-15C by Chris W
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http://hp15c.org/
HP-41 PROGRAMMABLE CALCULATOR by Warren Furlow
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http://www.hp41.org/
HPPC - HANDHELD AND PORTABLE COMPUTER CLUB by HPPC (formerly PPC (UK))
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http://www.hpcc.org/
Making New Battery Packs for the HP-35 Calculator by Douglas W. Jones
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http://www.cs.uiowa.edu/~jones/hp/battery/
The Museum of HP Calculators by Dave Hicks
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http://www.hpmuseum.org/
The TI Reference
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ti.htm
DATAMATH CALCULATOR MUSEUM by Joerg Woerner
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http://www.datamath.org/
The Moonstick by Sean Barton
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http://www.moonstick.com/
The Oughtred Society by Jon J Cverna
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http://www.oughtred.org/
The Slide Rule Universe by Walter
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http://www.sphere.bc.ca/test/sruniverse.html
Pigly
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https://pigly.com/calculators/for-kids/
Had TO Know
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https://www.had2know.com/
Everyday Financial Calculators
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https://www.businesspundit.com/everyday-financial-calculators/
Easy Unit Converter
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https://www.easyunitconverter.com/
Table/Maker Five
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http://tmaker.site/
Calculators Edge Web Page - Lots of web based calculator solutions by Rick Modi
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http://www.calculatoredge.com
A collection of really good online calculators for use in every day domestic and commercial use! by John S
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https://goodcalculators.com/
Since its founding in 2003, AAC has grown into one of the largest online electrical engineering communities. by Kent Dresser
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https://www.allaboutcircuits.com/
The Nixie Universe by Walter
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http://www.sphere.bc.ca/test/nixie.html
Electronic Artwork by Guy Marsden
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http://www.arttec.net/art/Relevators.html
Rally Racing News -- Rally Odometer/Clock Manuals by Bill Jonesi
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http://www.rallyracingnews.com/manuals/index.html
"PEPPERMILL" OPERATIONS (15 Place Curta) A Rallyists Guide for the Use and Operation of a Curta Calculator by Diane E. Houseal
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http://www.rallyracingnews.com/manuals/curtaman.html
Antique Scientific Instruments on the Internet -- The Gemmary by R.C. Blankenhorn & Vince Austin
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http://www.gemmary.com/
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