Calculate This! Workshop By Robert LuhnRobert LuhnView more articles by Robert Luhn February 13th, 2013 MAKE looks at slide rules. Tagged make 05 By Robert LuhnRobert LuhnView more articles by Robert Luhn Discuss this article with the rest of the community on our Discord server! ADVERTISEMENT Subscribe now to Make: MagazineThe official magazine of Maker Faire Related Articles from Make: From the Shed: New Arrivals3018-PRO Desktop CNC Router DIY Kit$159.00Make: Magazine, Volume 98$11.99Mixed Media Premium Box$30.00 Get Make: Magazine $19.99