# Cannot see \frac \overline in preview

Do not know why \frac or \overline cannot display in preview?

you could try with $\frac{a}{c}$

It works for me

Joplin 2.4.5 (prod, darwin)

Hi @victorgu it's a known issue with the tool that Joplin uses to display math. You can see more details on the official report.

Thanks！

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