Another math calendar from Ron Doerfler

Last year Ron Doerfler made a beautiful calendar with images from graphical computing, charts used as computational aids before desktop calculators were ubiquitous.

Ron has made a new calendar and this year’s theme is lightning computing, tricks for mental calculation. The calendar is available for download as a PDF or for purchase in hard copy.

first pages from calendar

April calendar

Related post:

Calendars, Connections, and Cats
2010 calendar of lost mathematical art
Computing days of the week in your head

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  1. [...] This post was mentioned on Twitter by John D. Cook. John D. Cook said: Another beautiful, interesting calendar from Ron Doerfler http://bit.ly/glXbEE [...]

  2. [...] D. Cook presents a new math calendar created by Ron Doelfler in his blog The [...]