Mathematica Tutorial: Notebooks And Documents - Wolfram Research

36 Notebooks and DocumentsEditing and Evaluating Two-Dimensional ExpressionsWhen you see a two-dimensional expression on the screen, you can edit it much as you wouldedit text. You can for example place your cursor somewhere and start typing. Or you can selecta part of the expression, then remove it using the Delete key, or insert a new version by typingit in.In addition to ordinary text editing features, there are some keys that you can use to movearound in two-dimensional expressions.Ctrl+.Ctrl+SpaceØselect the next larger subexpressionmove to the right of the current structuremove to the next charactermove to the previous characterWays to move around in two-dimensional expressions.This shows the sequence of subexpressions selected by repeatedly typing Ctrl+..