Total Points: 850
Points Earned: 765

```button
name Calculate Grade Percentage
type calculate  
action ($2/$1)*100
color blue
```
^button-grade
</pre><h3>Time Calculation</h3><pre>
Start Time: 9.5
End Time: 17.25

```button
name Hours Worked
type calculate
action $2-$1
```
^button-hours
</pre><h2>Supported Mathematical Operations</h2><p>Calculate Buttons use the <a href="https://github.com/bugwheels94/math-expression-evaluator">math-expression-evaluator</a> library, supporting:</p><ul><li><strong>Basic ope