6–2 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
h
Begins a new equation, turning
on the "
" equation–entry
cursor.
h
turns on the A..Z
annunciator so you can enter a
variable name.
V
º
¢
h
V types
and moves the
cursor to the right.
.25
_
Digit entry uses the "_"
digit–entry cursor.
¸
º
j
¸
π
¸
ends the number and
restores the "
" cursor.
h
D
)
2
π
_
)
types
.
¸
h
L
π
Ï
π
Terminates and displays the
equation.
º
Î
Shows the checksum and len
th
for the equation, so you can
check your keystrokes.
By comparing the checksum and length of your equation with those in the example,
you can verify that you've entered the equation properly. (See "Verifying
Equations" at the end of this chapter for more information.)
Evaluate the equation ( to calculate
V ):
Keys: Display: Description:
Ï
value
Prompts for variables on the
right–hand side of the equation.
Prompts for
D first; value is the
current value of
D.
2
Ë
1
Ë
2
_
Enters 2
1
/
2
inches as a fraction.
¥
value
Stores D, prompts for L; value is
current value of
L.
16
¥
Stores L; calculates V in cubic
inches and stores the result in
V.
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