[ale] DIY Graphing Calculator Is Built From Open Source Hardware

[Watson, Keith]

> -----Original Message-----
> From: ale-bounces at ale.org [mailto:ale-bounces at ale.org] On Behalf Of Tom
> Freeman
> Sent: Friday, August 06, 2010 13:53
> To: Atlanta Linux Enthusiasts - Yes! We run Linux!
> Subject: Re: [ale] DIY Graphing Calculator Is Built From Open Source
> Hardware
> 
> 
> Not the highest quality build, but...
> 
> ThinkGeek had plastic sliderules for vaguely reasonable prices as of maybe
> eight months ago.
> 
> For some values of "reasonable price" of course.
> 

I really like the Concise Circular Slide Rule which they still make.

Concise Circular Slide Rule
http://www.concise.co.jp/eng0731/circle01.html


My personal favorite is the Circular Slide Rule No. 300
http://www.concise.co.jp/eng0731/circle02.html#04

keith

-- 

Keith R. Watson                        Georgia Institute of Technology
Systems Support Specialist IV          College of Computing
keith.watson at cc.gatech.edu             801 Atlantic Drive NW
(404) 385-7401                         Atlanta, GA 30332-0280