Merck PTE

The Merck PTE app is a portable, offline chemistry reference designed for students, educators, and hobbyists. It offers a complete digital periodic table, essential element data, visualizations, and a straightforward molar mass calculator, all accessible without internet.

The latest version adds translations (Chinese Simplified, Portuguese, Russian), in-app language switching, direct element comparison, a dedicated molar mass keypad, improved navigation, updated master data, OS compatibility, touch-optimized diagrams, and a museum mode, while continuing to deliver offline access and multi-language support.