You have the option of adding a bead to the top of your abacus that gives a measure of overall performance. This is automatically calculated, using the average of all the other beads.
To add a bead for overall performance, click the Customise button at the top of the screen At the bottom of the abacus click the show options button and scroll down to the automatic bead setting.
Tick the box to the right of Add an Automatic Bead. The default name of the bead is Overall Performance but you can change this by editing the text in the box.
Once you have made your changes, click the back button. You will see the overall bead at the top. This is a weighted average based on the position of the other beads on the abacus.
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