6.  Website Referenced:
http://www2.lv.psu.edu/ojj/courses/ist-240/reports/spring2001/fa-cb-bc-kf/1200-1940.html
 Leibniz Photo: http://www.google.com/imgres?
hl=en&sa=X&biw=1280&bih=902&tbm=isch&prmd=imvnso&tbnid=i_eqISOguoG59M:&imgrefurl=http:/
/payjah.blogspot.com/2010/11/another-10-most-influential-
scientists.html&docid=1wfoAxyMqeCLaM&imgurl=http://listverse.files.wordpress.com/2009/02/300px-
gottfried-wilhelm-von-
leibniz1.jpg.jpeg&w=300&h=380&ei=11VdT-2XJubr0gGM_bSpDw&zoom=1&iact=hc&vpx=437&vpy=484
&dur=39&hovh=253&hovw=199&tx=104&ty=107&sig=101071581618616445592&page=1&tbnh=166&tbn
w=171&start=0&ndsp=20&ved=1t:429,r:11,s:0
 Leibniz Calculator Photo:
http://www.google.com/imgres?
hl=en&sa=X&biw=1280&bih=902&tbm=isch&prmd=imvnso&tbnid=KZ093is_-
O7GkM:&imgrefurl=http://www.computermuseum.li/Testpage/LeibnizWheel1671.htm&docid=JMVQVF
-Z44rJgM&imgurl=http://www.computermuseum.li/Testpage/Lebniz-
Wheel.jpg&w=688&h=346&ei=K1hdT4uuG6jz0gGr4cm-
Dw&zoom=1&iact=hc&vpx=542&vpy=174&dur=965&hovh=159&hovw=317&tx=123&ty=95&sig=1010715
81618616445592&page=1&tbnh=101&tbnw=200&start=0&ndsp=20&ved=1t:429,r:2,s:0