courses/test/default.md

---
markdown-underline:
  '*': b
---

! THIS IS A TEST PAGE.  JUST IGNORE IT.

# Let's test the features!

0. `*`: *star*
1. `**`: **globstar**
2. `_`: _underscore_
3. `__`: __underscores__
4. `~~`: ~~double tilde~~


_**__salient__**_

____

#### Definition list

<!-- definition lists -->

celerity $c$
: Speed of light in a vacuum.

circle constant $\tau$
: Circumference of the unit circle.
  
  With multiline things and goodies like some *bold text*.
  
  Gumbo beet greens corn soko endive gumbo gourd.
  Parsley shallot courgette tatsoi pea sprouts fava bean collard greens
  dandelion okra wakame tomato. Dandelion cucumber earthnut pea peanut soko zucchini. 
  

<!-- Expandable sections -->

<details markdown=1>

<summary>
    VOIR LA SOLUTION
</summary>

```math
f\colon\left\{\begin{aligned}\mathbb{R}_4[X]&\longrightarrow\mathbb{R}_4[X] \\
P&\longmapsto P’\end{aligned}\right.
\qquad
g\colon\left\{\begin{aligned}\mathbb{R}_2[X]&\longrightarrow\mathbb{R}_2[X] \\
P&\longmapsto XP’+P\end{aligned}\right.
```

</details>


<!-- Trailing # are ignored and are sometimes good for readability -->
### Flowchart ########################################################

```mermaid
graph LR
  subgraph M3P2
    File[File]
    Website[Website]
    Pipeline[Pipeline]
  end

  Teacher((Teacher))
  Student((Student))

  Student --> |reads| Website
  Teacher --> |edits| File
  File --> |triggers| Pipeline
  Pipeline --> |updates| Website
```



### LateX 💾🐘🐘🐘🐘🐢

```math
f\colon\left\{\begin{aligned}\mathbb{R}_4[X]&\longrightarrow\mathbb{R}_4[X] \\P&\longmapsto P’\end{aligned}\right. \qquad g\colon\left\{\begin{aligned}\mathbb{R}_2[X]&\longrightarrow\mathbb{R}_2[X] \\ P&\longmapsto XP’+P\end{aligned}\right.
```

> The complex exponential of the circle constant is unity.
>> $e^{i\tau}=1$

### GeoGebra

#### Iframe

<!-- https://wiki.geogebra.org/en/Reference:Material_Embedding_(Iframe) -->
<iframe class="geogebra" src="https://www.geogebra.org/material/iframe/id/wkrw5qgm/sfsb/true" allowfullscreen width="400px" height="280px"></iframe>



#### ???

See https://wiki.geogebra.org/en/Reference:GeoGebra_Apps_Embedding

### Videos

#### Iframe

<iframe width="560" height="315" sandbox="allow-same-origin allow-scripts" src="https://video.samedi.pm/videos/embed/c06dbd9e-d8c7-4655-aade-51ae95b998c3" frameborder="0" allowfullscreen></iframe>