Automatic Substitution

In mathematics, you can substitute expressions for sequences of letters and numbers. Some substitution strings are predefined; you can also define your own. Automatic substitution can be disabled at any time.

• •     To define a new automatic substitution sequence
  •     To apply an automatic substitution sequence
  •     To edit a replacement expression
  •     To delete a substitution sequence and its corresponding replacement sequence
  •     To turn automatic substitution on or off