Set and Interval Notation

The following set and interval notation can be entered in Show My Work boxes.

Note: In addition to the keyboard shortcuts listed in this topic, some symbols can be typed using the keyboard shortcuts for your operating system; for example, you can press ALT+0247 on Windows to type ÷.
NotationKeyboardButtonNotes
Set delimiters (braces){a,b A closing brace is automatically inserted.
Closed interval (brackets)[a,b A closing bracket is automatically inserted.
Open interval (parentheses)(a,bSymbols > open interval buttonA closing parenthesis is automatically inserted.
Empty set Operators >  
Union Operators >  
Intersection Operators >  
Subset Operators >  
Superset Operators >  
Element of Operators >  
Not an element of Operators >