Filter
Top Products
6–6 Entering and Evaluating Equations
File name 33s-English-Manual-040130-Publication(Edition 2).doc Page : 388
Printed Date : 2004/1/30 Size : 13.7 x 21.2 cm
Parentheses in Equations
You can include parentheses in equations to control the order in which operations
are performed. Press
º
y
and
º
|
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)+25
Keys: Display: Description:
º
d
π
Shows the last equation used in
the equation list.
h
R
º
¢
Starts a new equation with
variable
R.
2
_
Enters a number, changing the
cursor to "_".
¸
h
C
¸
Enters infix operators.
n
Enters a prefix function with a
left parenthesis.
h
T
Ã
h
A
º
|
Ù
25
_
Enters the argument and right
parenthesis.
Ï
Terminates the equation and
displays it.
º
Î
Shows its checksum and length.
Å
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.
To display equations:
1.
Press
º
d
. This activates Equation mode and turns on the EQN
annunciator. The display shows an entry from the equation list: