Hello @jaco45 Plugin is removed from the directory doesn’t affect your website’s data. So you don’t have to worry about it.
If you want to export the questions then you can use the Export feature
Select the quizzes –> From Bulk action Select Export –> Click Apply.
You will get a .wpq or .xml file of those quizzes.
If you wants to export the questions in the MS Word then we have developed an addon that can import and export questions for a quiz. You can check the details from here
https://yuvayana.org/wp-pro-quiz-bulk-question-upload-from-ms-word-template/
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@tpnghia79 sorry I didn’t saw your message earlier. If you still have problem with the latex equations then you can directly add the given Javascript in your header or footer. That will render the Mathematical equations in your questions as well as options.
<script type="text/javascript" async
src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/latest.js?config=TeX-MML-AM_CHTML">
</script>
After adding this you don’t need any other plugin.
Note: \( —-Equation Here —-\) This will be the format to display equations.