
How to use electronic ruler software
After clicking the corresponding button, the screen will be locked and measurement will begin.
Two-point measurement: Left-click the starting point and end point respectively to measure the distance and area between two points. Right click to cancel measurement.
Multi-point measurement: left-click to determine the middle point, double-click to end the measurement, and calculate the total length. Right-click to cancel the measurement.
Angle measurement: First determine the center of the circle, then pull it out to determine the first side, and then determine the second side. Right-click to cancel the measurement.





















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