pxt-calliope/docs/blocks/variables/change.md
Sam El-Husseini e3975e65e5 pxt-microbit Accessibility PR (#529)
* Accessibility changes
2017-09-07 13:42:08 -07:00

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# @extends
## #examples
## Example: show the value of a variable
Use the assignment operator to set the value of a [variable](/blocks/variables/var). Change the value of a variable from 0 to 1 using the change item block. Then display the new value of the variable on the LED screen. Like this:
```blocks
let x = 0;
x += 1;
basic.showNumber(x);
```