Are graphical calculators pointless? Graphical calculators are required by many college-level math courses, but they don't perform as well as mobile phones. Pedagogically, they may be less useful than a slide rule. [more inside]
posted by twoleftfeet on Apr 12, 2011 - 68 comments

Vintage calculator museums [more inside]
posted by get off of my cloud on Aug 31, 2010 - 26 comments

Virtual slide rules , a gallery and some hoaxes.
posted by dhruva on Jan 17, 2006 - 14 comments