Displaying and selecting equations, Parentheses in equations – HP 32SII User Manual

Page 95

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Entering and Evaluating Equations

6–7

File name 32sii-Manual-E-0424
Printed Date : 2003/4/24 Size : 17.7 x 25.2 cm

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

#/ )º

πº:º

Shows the last equation used in the
equation list.

K

R

{

c

/¾

Starts a new equation with variable
R.

2

/



_



Enters a number, changing the
cursor to "_".

y

K

C

y

/ºº¾

Enters infix operators.

Q

/ºº 1¾

Enters a prefix function with a left
parenthesis.

K

T

K

A

{

]

ºº 1!.2¾

Enters 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.

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