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Reference
Keyboard Shortcuts
Entering 2D Expressions
Introduction
Selecting and Deleting in Expressions
Selecting the next-higher subexpression
Select the next-higher subexpression by pressing the CONTROL key and the DOT key at the same time.
Press 
.
Select 
, the next-higher subexpression, by pressing the CONTROL key and the DOT key at the same time.
Press .
Select
,the next-higher subexpression, by pressing the C
ONTROL key and the D
OT key at the same time.
Press .
Select
, the next-higher subexpression, by pressing the C
ONTROL key and the D
OT key at the same time.
Press .
Select
, the next-higher subexpression, by pressing the C
ONTROL key and the D
OT key at the same time.
Press .
Select
, the next-higher subexpression, by pressing the C
ONTROL key and the D
OT key at the same time.
Press .
Select
, the next-higher subexpression, by pressing the C
ONTROL key and the D
OT key at the same time.
Press .
Select
, the next-higher subexpression, by pressing the C
ONTROL key and the D
OT key at the same time.
Press .
Select
, the next-higher subexpression, by pressing the C
ONTROL key and the D
OT key at the same time.
Press .
Select
, the next-higher subexpression, by pressing the C
ONTROL key and the D
OT key at the same time.
Press .
Deleting to destructure an expression
Remove the contents of an expression and destructure it by pressing the DELETE key (or BACKSPACE).
Press the BACKSPACE key repeatedly
Move the cursor to the next-lower subexpression by pressing the DELETE key (or BACKSPACE).
Press the BACKSPACE key
Move the cursor to the next-lower subexpression by pressing the DELETE key (or BACKSPACE).
Press the BACKSPACE key
Move the cursor to the lowest level of the subexpression by pressing the DELETE key (or BACKSPACE).
Press the BACKSPACE key
Remove superscript 2 by pressing the DELETE key (or BACKSPACE).
Press the BACKSPACE key
Remove the superscript placeholder by pressing the DELETE key (or BACKSPACE).
Press the BACKSPACE key
Remove the subexpression under the radical by pressing the DELETE key (or BACKSPACE).
Press the BACKSPACE key
Press the BACKSPACE key
Press the BACKSPACE key
Remove the radical by pressing the DELETE key (or BACKSPACE).
Press the BACKSPACE key
Remove the fraction denominator and the fraction bar by pressing the DELETE key (or BACKSPACE).
Press the BACKSPACE key
Another example
Remove the contents of a matrix and destructure it by pressing the DELETE key (or BACKSPACE).
Press the BACKSPACE key repeatedly
Remove the letter 
leaving a placeholder by pressing the DELETE key (or BACKSPACE).
Press the BACKSPACE key
Move the cursor to the preceding column by pressing the DELETE key (or BACKSPACE).
Press the BACKSPACE key
Remove the letter 
leaving a placeholder by pressing the DELETE key (or BACKSPACE).
Press the BACKSPACE key
Move the cursor to the preceding column by pressing the DELETE key (or BACKSPACE).
Press the BACKSPACE key
Remove the letter 
leaving a placeholder by pressing the DELETE key (or BACKSPACE).
Press the BACKSPACE key
Remove the entire row and move the cursor to the right-most column of the preceding row by pressing the DELETE key (or BACKSPACE).
Press the BACKSPACE key
Remove the letter 
leaving a placeholder by pressing the DELETE key (or BACKSPACE).
Press the BACKSPACE key
Move the cursor to the preceding column by pressing the DELETE key (or BACKSPACE).
Press the BACKSPACE key
Remove the letter 
leaving a placeholder by pressing the DELETE key (or BACKSPACE).
Press the BACKSPACE key
Move the cursor to the preceding column by pressing the DELETE key (or BACKSPACE).
Press the BACKSPACE key
Remove the letter 
leaving a placeholder by pressing the DELETE key (or BACKSPACE).
Press the BACKSPACE key
Remove the entire row and move the cursor to the left-most column of the following row by pressing the DELETE key (or BACKSPACE).
Press the BACKSPACE key
Remove the open parenthesis by pressing the DELETE key (or BACKSPACE).
Press the BACKSPACE key
