11-8 Chapter 11: Using the Measure Toolbox
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Calculate
(Continued)
Function buttons on the calculator contain mathematical functions. Click on a function button to
display its operation in the edit window. The following table describes the functions available from
the calculator function buttons.
Function Button
Operation
Syntax
Off
Turns off calculator. Calculator disappears.
none
Cancel
Clears last entry.
none
Inv
Generates the inverse of the following
functions:
none
Inv-SIN
Calculates the arcsine.
arcsin(
value
)
Inv-COS
Calculates the arccosine.
arccos(
value
)
Inv-TAN
Calculates the arctangent.
arctan(
value
)
Inv-
‡
Calculates square of a number (
x
2
).
sqr(
value
)
Inv-LN
Calculates the natural antilogarithm (
e
x
).
exp(
value
)
Inv-LOG
Calculates the common antilogarithm (10
x
).
10^(
value
)
SIN
Calculates the sine.
sin(
value
)
COS
Calculates the cosine.
cos(
value
)
TAN
Calculates the tangent.
tan(
value
)
‡
Calculates the square root
(
√
x
).
sqrt(
value
)
^
Raises a number to a power (
y
x
).
value1^value2
LN
Calculates the natural logarithm (base
e
).
(The value used for
e
is 2.718281828.)
Ln(
value
)
LOG
Calculates the common logarithm.
Log(
value
)
ABS
Calculates the absolute value.
Abs(
value
)
π
Includes the value of
p
(pi) — 3.141592654. (On
the Macintosh,
OPTION
+p may also be used for
π
.)
π
( )
Adds parentheses. The keys ( ) may also be
used.
(
value
)
+,
−
,
∗
,
÷
Adds mathematical operators addition,
subtraction, multiplication, and division. The
keyboard may also be used: + for addition,
−
for subtraction,
∗
for multiplication, and / for
division (
÷
).
+,
−
,
∗
,
÷
=
Performs the calculation. Pressing the
return
key also performs the calculation.
=
