Sources Used

Images

The calculating machine of Giovanni Poleni, a part of illustration from the Theatrum arithmetico geometricum. Digital image. The Calculating Machine of Giovanni Poleni. History of Computer, n.d. Web. 20 Mar. 2017. http://history-computer.com/MechanicalCalculators/18thCentury/Poleni.html.

Ezrdr. Arithmometer Veuve Payen. Digital image. Wikimedia Commons. Wikimedia, n.d. Web. 20 Mar. 2017. https://commons.wikimedia.org/wiki/File:Arithmometer_Veuve_Payen.png.

Grant Co., George B. Grant Mechanical Calculating Machine 1877. Digital image. Wikimedia Commons. Wikimedia, n.d. Web. 20 Mar. 2017. https://commons.wikimedia.org/wiki/File%3AGrant_mechanical_calculating_machine_1877.jpg.

Lefterov, Edal Anton. 17th-century-mechanical-calculators. Digital image. Wikimedia Commons. Wikimedia, n.d. Web. 20 Mar. 2017. https://commons.wikimedia.org/wiki/File:17th-century-mechanical-calculators.jpg.

MaltaGC. AnitaMk8-01. Digital image. Wikimedia Commons. Wikimedia, n.d. Web. 21 Mar. 2017. https://commons.wikimedia.org/wiki/File%3AAnitaMk8-01.jpg.

NJR ZA. Calculator Adler 81S. Digital image. Wikimedia Commons. Wikimedia, n.d. Web. 21 Mar. 2017. https://commons.wikimedia.org/wiki/File%3ACalculator_Adler_81S.jpg.

Palmiped. Sinclair Cambridge Calculator. Digital image. Wikimedia Commons. Wikimedia, n.d. Web. 21 Mar. 2017. https://commons.wikimedia.org/wiki/File%3ASinclair_Cambridge_Calculator.jpg.

Asimzb. TI-84 Plus Graphing. Digital image. Wikimedia Commons. Wikimedia, n.d. Web. 21 Mar. 2017. https://commons.wikimedia.org/wiki/File%3ATI-84_Plus_graphing.jpg.

JoeJohnson2. TI-36X Pro 2011. Digital image. Wikimedia Commons. Wikimedia, n.d. Web. 22 Mar. 2017. https://commons.wikimedia.org/wiki/File%3ATI-36X_Pro_2011.jpg.

Kropf, Robert. HP-41CX. Digital image. Wikimedia Commons. Wikimedia, n.d. Web. 22 Mar. 2017. https://commons.wikimedia.org/wiki/File:HP-41CX.jpg.

Informational Sources (articles/books)

S. Chapman, Prof. "Blaise Pascal (1623–1662) Tercentenary of the Calculating Machine." Nature (1942): n. pag. Print.

B., Hamrick Kathy. "The History of the Hand-Held Electronic Calculator." American Mathematician Monthly n.d.: n. pag. Print.

Ifrah, Georges, and E. F.. Harding. The Universal History of Computing. New York: J. Wiley and Sons, 2001. Print.

Williams, Michael R. A History of Computing Technology. Los Alamitos, CA: IEEE Computer Society, 1997. Print.