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a) Click inside the list of functions, and then press a letter key to jump to
the entries that begin with that letter.
b) Press ▲or▼ as necessary to highlight the item you are inserting.
Help, such as syntax information or a short description of the selected
item, appears at the bottom of the Catalog.
c) Press Enter to insert the item into the entry line.
Using an Expression Template
The Calculator has templates for entering matrices, piecewise functions,
systems of equations, integrals, derivatives, products, and other math
expressions.
For example, suppose you want to evaluate
1. On the Utilities tab, click to open the templates.
Handheld: Press t.
2. Click 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 Enter to evaluate the expression.
Calculator Application 145