Issue 05How to make... How to make: a slide rule Make calculations easy with this simple-to-make slide rule Chalkdust6 March 2017Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on Reddit (Opens in new window) Privacy & Cookies: This site uses cookies. By continuing to use this website, you agree to their use. To find out more, including how to control cookies, see here: Cookie Policy You will need scissors a printed copy of these images (click to enlarge) Instructions 1. Cut out the two scales. 2. Do lots of fun calculations. More from ChalkdustThe Spirit of MathematicsWe review the ninth of this year's nominees for Book of the YearHeadscratchersWe review the eighth of this year's nominees for Book of the YearA Year in NumbersWe review the seventh of this year's nominees for Book of the YearShort Cuts: MathsWe review the sixth of this year's nominees for Book of the YearHow to Expect the UnexpectedWe review the fifth of this year's nominees for Book of the YearThe Secret Lives of NumbersWe review the fourth of this year's nominees for Book of the Year