smart Ruler for measuring with infinite scrolling.Measure whatever you want with our accurate ruler.If you need to measure things that are larger than your screen, simply touch the screen and scroll the ruler; it is infinite! The ruler is easy to use, precise, and handy.Features:---------------------- Fast and responsive interface with beautiful modern design that looks great both on phone and tablet- Imperial (inch) and Metric (centimeter) units- Very simple so everyone can use it - touch the screen and move the left and right handles with your fingers- Smart history for your latest measurements- accuracy of measurement;- easy to use;- stylish design;- simple calibration;- set the units: cm, mm, inch;- measurement of the length (with hold function) either side of the device;- graph paper, vertical and horizontal line;- measurement in 4 modes: point, line, plane, level;- translated to 15 Languages.- Copy current length to clipboard and paste it in another app- Multi-touch caliper tool functionality- It is a handy tape, always in your pocket- Calibrate the app if units are inaccurate. Grab a real ruler and follow instructions in Settings menu.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.Smart RULER for measuring is a helpful measuring tool for quick measure of small object's length. It helps you to measure the dimension of objects conveniently and accurately with your phone at anytime and anywhere. It combines two important ruler measuring modes in one app, which is 2-Lines Ruler and 4-Lines Ruler. You can also switch the ruler's length unit between millimeter and inch by a click.