World 3 · Sequential Foundations · 6 min · PROClocks & Timing
Keeping everything in step
PRO · Logic Gates
World 3: Sequential Foundations is part of PRO
The first world of Logic Gates is free. PRO opens the other 29 lessons in 4 worlds — simulations, quizzes and all.
PRO includes
- All 26 labs — every world, every lesson
- Practice exams and certificates
$8.33/mo, billed yearly ($99.99) · or $39.99 monthly