Solve logic puzzles by filling grids based on numerical clues. Reveal hidden images through systematic deduction. Customize schemes and difficulty levels. Track progress and revisit completed puzzles. Share achievements with others.
by ORANGE GAME PTE. LTD.★ 4.264 ratingsEducationFreeData updated 2026-09-06
Simplifies boolean expressions using Karnaugh maps for 2, 3, and 4 variables. Converts truth tables to K-maps and generates minimized output. Allows variable renaming from ABCD to WXYZ.
Solve math puzzles using four numbers and basic operations to reach 24. Practice mental arithmetic and logical thinking. Access 500+ free questions with regular updates. Track progress and replay puzzles for repeated practice.