Parentheses in Equations

You can include parentheses in equations to control the order in which operations are performed. Press {\and {]to insert parentheses. (For more information, see "Operator Precedence" later in this chapter.)

Example: Entering an Equation.

Enter the equation r = 2 c cos (t – a).

Keys: Display:Description:

{G #/)ºπº:ºShows the last equation used in the equation list.

KR {c /¾

Starts a new equation with variable

 

 

R.

2

/  

Enters a number, changing the

 

_

 

 

 

cursor to "_".

yKC y /ºº¾

Enters infix operators.

Q/ºº 1¾ Enters a prefix function with a left parenthesis.

KT KA

ºº 1!.2¾Enters the argument and right

{]

 

parenthesis. This final parenthesis

 

 

is optional.

š

/ºº 1!.Terminates the equation and

 

 

displays it.

{ / 

 )Shows its checksum and length.

†



Leaves Equation mode.

Displaying and Selecting Equations

The equation list contains the equations you've entered. You can display the equations and select one to work with.

Entering and Evaluating Equations 6–7

File name 32sii-Manual-E-0424

 

Printed Date : 2003/4/24

Size : 17.7 x 25.2 cm