Binary digits
Memorise rows of zeros and ones.
How it works
Turn groups of 3 bits into numbers 0–7 to memorise faster. Type everything.
- 30 progressive levels, from basic to advanced
- Levels 1 to 3 free, no card
Memorise rows of zeros and ones.
Turn groups of 3 bits into numbers 0–7 to memorise faster. Type everything.