A FRIENDLY PLACE TO START
Meet the prompt.
Your first program is only three lines away.
Open the browser IDE and enter each line below. Press Return after each line, then type RUN.
Say hello. Then do it again.
This loop prints the same message five times. Change the message, or change 5 to another number. Enter LIST to see your program.
You can also paste these numbered lines directly into the terminal.
10 FOR I = 1 TO 5 20 PRINT "HELLO, WORLD!" 30 NEXT I
YOUR EVERYDAY COMMANDS
A few words go a long way.
New in 1.3.1: browser device command reference · Release Notes. Type HELP DEVICE, HELP GPS, or GUIDE in the app.
| Command | What it does |
|---|---|
HELP | Shows the system and keyboard commands. |
LIST / RUN | Lists your program / runs it. |
NEW | Clears the current program so you can start another. |
SAVE "MYPROGRAM.BAS" | Downloads your program to your device. |
LOAD | Opens a picker for a local .BAS file. |
CATALOG | Lists the built-in games. Try LOAD "BLOCK.BAS", then RUN. |
MODE GREEN | Changes the display. Also try MODE AMBER or MODE DOS. |
| Escape / Ctrl+C | Interrupts a running program. Touch devices also have a BREAK button. |
HEADER / HEADER OFF | Shows or hides the navigation bar. The preference is remembered for your next visit. |
BOOK / ABOUT / NEWS | Opens the book listing / shows app information / displays release notes. |
GOOD TO KNOW
Save your discoveries.
The browser IDE keeps programs in memory for the current session. Use SAVE before refreshing or closing it, then LOAD your file when you return.
Inspired by GW-BASIC
The browser implements common BASIC statements and canvas graphics. It does not provide DOS shell access, real hardware ports, or exact hardware graphics emulation. Browser and native capabilities differ.
Read the browser compatibility notes (Markdown) →Read the command specification (Markdown) →Download a sample BASIC program →A little help when you need it.
Follow the Programming Guide for a deeper introduction, or contact the creator through Support.