32
Chapter 3: Manual Calculations
_
Sets a negative value.
Example
• Calculate
-
12
×
4.
_
1 2
|
4
E
Note:
Do not use the
-
key to enter a negative value; use the
_
key instead.
(
Enters an open parenthesis. Use with “)” as a pair, or the calcula-
tion will result in an error.
)
Enters a closing parenthesis; a parenthesis left open will result in
an error.
Example
• Calculate (4
+
6)
÷
5.
(
4
+
6
)
=
5
E
Note:
Functions, such as “round(”, automati-
cally include an open parentheses. Each of these functions needs
to be closed with a closing parenthesis.
3. Calculations Using Various Function Keys
Note:
The default angle unit of this calculator is radians. The example
hereafter will therefore feature the radian angle system, unless
otherwise specified. If you wish to change the angle system, you
can change the unit to degrees or grads in the SETUP menu.
s
Enters a sine function to be used in a trigonometric calculation.
Example
• Calculate sine
π
/2.
s
@
$
b
2
E
Entering a number
with a negative value
