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Do categorical values work for choropleth maps? asked [here](https://github.com/JohnCoene/echarts4r/issues/460) by @lgnbhl
ECharts seems to ignore non-numerical categories in piecewise choropleths. B…
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I've had a student report the following error message:
![image](https://user-images.githubusercontent.com/30723394/192548742-3f2108a2-a5ca-4be8-8e61-6045ec549982.png)
The response they had typed…
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We've just realised that the Numbas extension is fixed to a commit from March, loaded from jsdelivr. It looks like you got rid of the `dist` folder at some point in April, and the demo page loads a lo…
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Currently the LaTeX rendering for `root(x,n)` is `\sqrt[n]{x}`.
It would be convenient to omit the superscript `n` when `n = 2`, so the expression is equivalent to `sqrt(x)`.
Maybe there should …
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At the moment, there's no way of seeing the introduction text again after starting the exam.
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The output of `grep -h common *.f | sort --unique` on the `reference` branch gives :
```
c common block variables:
c common /gradhess_orb/ grad_orb(MXORBOP),h_orb(MXMATDIM),s_orb(MXMATDIM)
c …
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I can't find where the various alternative parentheses are defined?
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Is this (left) what chirun output is supposed to look like now? It looks like browser defaults, I'm wondering if the stylesheet hasn't loaded. On the right is what it looked like last year, which to m…
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A student typed `2ˆ3`, which was not interpreted as valid. The character `ˆ` is a modifier, but looks very similar to the 'real' character, `^`.
Numbas should consider `ˆ` to be a synonym of `^`.
…
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We had a report of a question where a variable is displayed as an integer when the attempt is first run, but has `.000000001` on the end when the attempt is resumed in a new session.
There must be so…