Captioning equations can be quite tricky, especially when they can include some unusual characters.

Where it is clear and easy to depict, always try to use the equation.

• E.g. ‘One times n plus one minus x’ is ‘x n + 1 – x’ in captions.

Exceptions

• ‘Squared’ – Write as a word. E.g. 4²– x² = 16x²  is ‘4x squared – x squared = 16x squared’ in captions.
• Chemical equations – Use the subscript/superscript in normal case. E.g. ‘H₂O’ is ‘H2O’ in captions.

More questions?

• How to caption
• Captioner Technical Problems
• Captioner FAQs

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