Forget hunting for a tape measure or a protractor. Use your Android phone camera and sensors to handle different types of measurements easily.

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Dear James: I am not the most accurate with projects. My measurements are often off just enough so things don't fit. Do you have advice regarding which measurement tools/techniques to use? -- Sal L.

In ancient times when someone needed to make a measurement, they would turn to something close at hand, often literally a hand. A tradition that originated thousands of years ago in Egypt that is ...