5. Fractions.....................................................................

5-1

Entering Fractions ....................................................................

5-1

Fractions in the Display.............................................................

5-2

Display Rules ......................................................................

5-2

Accuracy Indicators.............................................................

5-3

Changing the Fraction Display...................................................

5-4

Setting the Maximum Denominator ........................................

5-4

Choosing a Fraction Format .................................................

5-6

Examples of Fraction Displays...............................................

5-8

Rounding Fractions...................................................................

5-8

Fractions in Equations...............................................................

5-9

Fractions in Programs .............................................................

5-10

6. Entering and Evaluating Equations

...............................6-1

How You Can Use Equations.....................................................

6-1

Summary of Equation Operations...............................................

6-3

Entering Equations into the Equation List......................................

6-4

Variables in Equations .........................................................

6-4

Numbers in Equations..........................................................

6-5

Functions in Equations .........................................................

6-5

Parentheses in Equations ......................................................

6-6

Displaying and Selecting Equations............................................

6-6

Editing and Clearing Equations..................................................

6-8

Types of Equations ...................................................................

6-9

Evaluating Equations ..............................................................

6-10

Using ENTER for Evaluation................................................

6-11

Using XEQ for Evaluation ...................................................

6-12

Responding to Equation Prompts .........................................

6-13

The Syntax of Equations..........................................................

6-14

4Contents