Using math in the set editor

Tl;dr: Click the f(x) button to enable equation support, then type math intuitively like you would on a platform such as Desmos.

Toggle equation support

Equation toggle buttons
The location of the buttons in HashCards' set editor

Click the function button next to the front or back text boxes on a card to toggle equation mode. In this mode, you can type math equations in a more natural way. Look below to learn how to type math properly in this mode.

Symbols & characters

The right-riemann sum equation
Some examples of symbols you can use in HashCards

Basic

Here's how you can type some basic equations in HashCards:

Advanced

To type any of the more advanced symbols, use the keyword listed: