Technology
Binary Numbers Challenge
Computers think in 1s and 0s — practise converting between decimal and binary.
Think like a computer.
Pick a difficulty to set the number range, then convert decimal numbers to binary and binary numbers to decimal.
? + ? = ?
Well done!
You scored 0 points and reached level 1.
Saved to the leaderboard!
How to play
Every number has a binary form made only of 0s and 1s — each position is worth double the one before it (1, 2, 4, 8, 16…).
You have 60 seconds and 3 lives — type your answer and press Enter.
Difficulty sets the number range: up to 15 on Easy, 63 on Medium, 255 on Hard.
Leaderboard
Scores are saved on this device only, for this demo.