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 ChalkdustRead Issue 17 now!Penguins, prison and PDE patterns coming your way in our new issue! Plus all your favourite puzzles & columns.Dear Dirichlet, Issue 17Canines, Cliff Richard and conditioning find their way into the prof's postbox this issue.Prize crossnumber, Issue 17Can you solve it?What’s your coding style?Just answer these EIGHT simple questions!Red carpet recapThe best and worst from this year's Met GalaWhat’s hot and what’s not, Issue 17Fashion is fleeting, Chalkdust regulars are not.