The first step in editing a task is to enter the instruction. Find out what options there are for enetering an instructions!
When editing tasks, always enter the instructions for the task! Without it, the task cannot be saved.
When entering the instruction, you can choose between two editing modes: for the instruction of the tasks, you can use the formula editor to add scientific formulas or the normal editor for simple texts.
Switch between the two modes with the slider above the instruction field! (A formula can also be a solution, in which case you can switch from the normal text editor to the formula editor using a similar slider when entering the solution of the task).