A+ Ruler
- Publisher: G.P. Imports, Inc.
- Genre: Education
- Released: 22 Sep, 2009
- Size: 281.3 KB
- Price: $0.99
- App Store Info
Description
A ruler, or rule, is an instrument used in geometry, technical drawing and engineering/building to measure distances and/or to rule straight lines. Strictly speaking, the ruler is essentially a straightedge used to rule lines and the calibrated instrument used for determining measurement is called a "measure". However, common usage is that a ruler is a calibrated straightedge that can be used for making measurements.You can use this app to measure in cms or inches.