Ruler

Use the ruler to make on-screen measurements or as a guide for straight lines between two points. The ruler can be rotated, resized, and moved to measure distances anywhere on-screen.

Converter

The Convertor tool can convert units of weight, volume, distance, temperature, time and area from one unit of measurement to another. For example: yards to metres, Celsius to Fahrenheit, and so forth. Click or tap on the converted measurement to drag out an...

Stopwatch

Click or tap the green button to start the timer. While the timer is active, the button will change colour to red. Click or tap the button again to pause the timer. Tap “mode” to change from timer mode to countdown mode. Type a value to countdown from, and tap the...

Protractor

Use the protractor to measure angles. The protractor has two modes: 180 and 360 degrees. Drag the angle measurement arm to measure, then click or tap it to show the angle value.  

Compass

Use the compass tool to draw a circle with a specific radius and colour, then use the Circle Information screen to calculate diameter, circumference, and area.   1. Drag the pencil left or right to change the radius of the circle. Alternatively, use the arrows or...