Best Ruler is a instrument used in geometry, technical drawing and engineering to measure distances and to rule straight lines. Ruler app includes the following functions:unit converter (mm to inches, centimeters to inches), calculation of the length, straight line, calculation of area, defining the thread pitch, caliper, ruler online, etc. Usage is very simple. 1. Put an object on the screen of your device. 2. Adjust the object to the left of the screen. 3. Touch the screen, adjust the red line and read the length. Features: - accuracy of measurement; - graph paper, vertical and horizontal line; - measurement in 4 modes: point, line, plane, level; - Architectural and Engineering Scales - stylish design; - simple calibration; - set the units: cm, mm, inch; - measurement of the length (with hold function) either side of the device;
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