Improve your machine
- Can you expand your program to accept two different coins?
- Can you make a mechanism to automatically measure the coin for the user?
- Can you add up how much money was provided?
- What else can you do?
If you're seeing this message, it means we're having trouble loading external resources for Khan Academy.
If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked.