Keyboard shortcuts: Enter chemical expressions

Updated 07 Mar 2023

It can be faster to use your keyboard to enter some chemical expression answers instead of using the answer box toolbar. Tablet and smartphone users: Tap the answer box for the toolbar to appear beneath it.

To move the cursor within your answer: On a computer, use your keyboard arrow keys (Right arrow, Left arrow, Up arrow, Down arrow). On a mobile device, use your finger or other input device. For finer cursor control on a phone: Enlarge your view of the answer box before moving the cursor.

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