Action:

The host enters and points to the function machine

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This machine operates twice on numbers

Then

Highlight the operation setting arrows on the first machine

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Use these arrows to set the first operation

Then

Use the up arrow to scroll through to x

Then

Highlight the number field on the first machine

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Type the number you want to multiply by here

Then

Enter 3

Then

Highlight the whole of the second machine

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Set the second operation in the same way

Then:

Set the second function to + 1