I would like to make the average of number in a text box using the program I have but I don't know how to. Can someone help?

MIT App Inventor Help
21

To protect your input data you can check if the textBox is not empty and, if the input data is a number:

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image1503×561 127 KB

So you avoid to have wrong values in the list.

1 Like
22

ok thank you'll do it

23

it works thanks a lot!