When creating exercises, you may need to use mathematical symbols in the description or question. To make this possible, you have the option to use an Equation editor ∑ or LaTeX.

## Equation editor \(\Sigma\)

if you aren't yet fully well-versed with LaTex, you can use an Equation editor ∑. This tool allows you to create equations. To make use of the Equation editor, follow the steps below.

- Click the
*domain***School name**in the menu on the left. - Click
*label_important***Courses**in the menu at the top. - Select your course or use the search bar.
- Select your assignment or use the search bar.
- Click
**New exercise**, fill in a name and click**Save**. - Click
**New description**and select**Description**or click**New question**. - In the description content field or the question content field, click on the Equation symbol
**∑**. - Fill in your equation and click
**Save**.

## LaTeX

If you are familiar with LaTeX, it may be more time-efficient or easier to copy the LaTeX code of an equation or to type it yourself. You can find a few basic LaTeX codes written below. It may also be useful to use an external LaTeX editor, such as Visual Math Editor* *to help get you familiarised with LaTeX equations. These editors offer more possibilities than the equation editor implemented in the Ans platform. To make use of LaTex, follow the steps below.

- Click the
*domain***School name**in the menu on the left. - Click
*label_important***Courses**in the menu at the top. - Select your course or use the search bar.
- Select your assignment or use the search bar.
- Click
**New exercise**, fill in a name and click**Save**. - Click
**New description**and select**Description**or click**New question**. - If you want the equation to be within the text, enter two dollar signs ($$) in the description content field or the question content field. If the equation needs to be on a separate line, use three dollar signs ($$$).
- After adding the dollar signs, enter or copy the LaTeX code.
- End the equation with the same amount of dollar signs as you started with. Instead of the dollar signs, you can also use \( to start the equation. Typing \ ) will make the equation end.
- Click
**Save**and check your equation displays correctly.

*Please note that the LaTeX functionality "\ begin { equation } ... \ end { equation } ", which is used to write an equation in LaTeX does not work in the Ans platform.*

A few basic operations are explained in the table below. For more of these operations, click on this link which lists all functions supported by LaTeX in the math mode (math mode is in between the dollar signs), or use the Visual Math Editor* *as mentioned previously.

LaTeX code |
Preview |

Plus or minus: z = x + y - 1 |
\(z=x+y-1\) |

Multiplying: x*y, x \cdot y |
\(x*y,x\cdot y \) |

Superscript: x^{2} |
\( x^{2}\) |

Subscript: x_{2} |
\(x_{2} \) |

Fraction: \frac{1}{x} |
\(\frac{1}{x} \) |

Root: \sqrt{x} |
\( \sqrt{x}\) |

Trigonometric functions: \sin{x}, \cos{x},\tan{x} |
\(\sin{x}, \cos{x}, \tan{x} \) |

Greek letters: \pi, \alpha, \beta, \delta etc. |
\(\pi, \alpha, \beta, \delta \) |

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