Operation Manual

Using an Expression Template
Templates help you enter matrices, piecewise functions, systems of equations,
integrals, derivatives, products and other maths expressions.
For example, suppose you want to evaluate
1. Press t to open the Template palette.
2. Select to insert the algebraic sum template.
The template appears on the entry line with small blocks representing
elements that you can enter. A cursor appears next to one of the elements
to show that you can type a value for that element.
3. Use the arrow keys to move the cursor to each element’s position, and
type a value or expression for each element.
4. Press · to evaluate the expression.
Inserting Expressions Using a Wizard
You can use a wizard to simplify entering some expressions. The wizard
contains labelled boxes to help you enter the arguments in the expression.
Using the Scratchpad 27