May 31, 2011 · Looks like fun! My immediate thought re the root 3 ruler is that you could use isometric dot paper to build that one without any angle measuring….

Directed by Koreyoshi Akasaka, Teruo Ishii. With Ken Utsui, Junko Ikeuchi, Shôji Nakayama, Minoru Takada. Super criminals are planning to infiltrate Earth with mass ……

A ruler, sometimes called a rule or line gauge, is an instrument used in geometry, technical drawing, printing as well as engineering and building to measure ……

In mathematics, a Golomb ruler is a set of marks at integer positions along an imaginary ruler such that no two pairs of marks are the same distance apart….

Some printable paper rulers Here are some rulers you can print out. Disposable paper rulers! Disable any “shrink to fit” option when printing. There is a note ……