Before Wilhelm Schickard’s invention of the “calculating clock”, in 1623, we did our calculations on an abaci. The abaci was an advancement compared to those who used their fingers to calculate. Take a moment to realize how far our calculating devices have progressed over the years, then take a peek at these 8 geeky calculator pictures below.
Analyzing Financial Data by Dave Dugdale
Tax by Phillip Ingham
calculator by Anssi Koskinen
image by josef.stuefer
Ten Key by Tracy O
Nevermore! by Pablo
Calculator close up by Dave
Busy by Thomas
Source: http://www.photographyblogger.net/18-geeky-calculator-pictures/
