Documentation
Publicon
Reference
Keyboard Shortcuts
Entering 2D Expressions
Examples
Underscripts
How to type 
Type the expression that will have an underscript.
Type x
Create an underscript by pressing the CONTROL key and the = key (or the + key) at the same time.
Press 
=
or 
+
Type an underscore in the placeholder (which is already selected).
Type _
Move the insertion point out of the underscript position and up to the baseline by pressing the CONTROL key and the SPACE bar at the same time.
Press 


How to type 
Press the CONTROL key and the = key (or the + key) at the same time. This creates a pair of placeholders, one on the baseline and another in the underscript position.
Press 
=
or 
+
Type an underscore in the placeholder in the underscript (which is already selected).
Type _
Press the TAB key to select the placeholder that is on the baseline.
Press 
Type the expression over the underscript.
Type x+y
Press CONTROL-SPACE to move out of the underscripted expression.
Press 


Another way to type 
Type
x+y
Select the expression. (You can select it by dragging, by pressing CONTROL-DOT repeatedly, or by clicking the expression repeatedly.)
Select x+y
Press the CONTROL key and the + key at the same time to create a placeholder in the underscript position.
Press 
+
Type an underscore in the underscript position.
Type _
Press the CONTROL key and the SPACE bar at the same time to move up to the baseline.
Press 


How to type 
Type lim, press 
+
Type x
Press
, type
, press 
Type a, press 


Type f[x]