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The bit where you program what the robot does using your computer. I'm making a project and I can't fit it all onto the screen, so if you can't do functions, is there any way to zoom out of the screen or something, so I can add more?

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You can turn parts of your program into custom blocks by selecting them and choosing Tools -> My Block Builder from the menu. See for a tutorial on this feature.

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In the MINDSTORMS EV3 software you can Zoom in and out to be able to view your complete program (there are magnifier icon and an 1:1 on the top right)

You can also create MyBlock ... select a group of block that do something specific like rotate till object detected - then click on Tool in the menu - then on MyBlock Builder -- once a MyBlock is created they appear in the CYAN colored block tab below (the one on the far right) Now every time you want to seek for object just call that MyBlock

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I'm not particularly familiar with Mindstorms EV3, but I know that NXT-G has the capability to call other programs from a main program using MyBlocks.

As far as I know, you can't zoom out of the EV3 and NXT programming environments, although in NXT-G there is an overall view you can get by switching the tabs in the lower left hand corner.

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