Cập nhật vào ngày Nov 14, 2026
• New Ladder instructions: TONR, LIMIT, MOD, ABS, MIN, MAX and clock bits (M100.x)
• Ladder size: enlarge from the ⋮ menu
• Exercises fixed: Check no longer accepts wrong answers; counters, SR, MOV, INC run live; number (MW) input
• Lesson content updated (safety circuits, SR/RS, NC contacts)
• In-app update
• Bug fixes and improvements
