The onscreen caliper works the same way a quality digital analog caliper works. Simply place the item you wish to measure on top of the iPad screen and slide the large yellow button to the right of the caliper “fingers” to measure whatever it is you want to measure. My index finger, for example, from the tip to the end of the first knuckle, is 1.030 inches, or 26.170 mm. Yes, you can switch between inches and mm with a tap on the unit button. You can also zero out the display at any length with the zero button.
by Pocketdemo e.u.r.l.
Chad Rice
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