Texas Instruments TI-30XIIB Owners Manual - Page 8

Texas Instruments TI-30XIIB Manual

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FnConstant Key -Stores a number and its associated operation for repetitive calculations. Enter the number, then the operation. then press Q. See page 23- M En Parentheses Keys - Used to isolate particular numerical expressions for separate mathematical interpretation. See page 20. rYi l y to the x Power Key - Raises the displayed value y to the xth power. Order of entry is y x. y cannot be negative. but both x and y can be tractional. See page 28. cz±i `e4)x Root of y Key -Takes the xth root of the displayed value y. Order of entry is y x. y cannot be negative. but both x and y can be fractional. See page 26. Square Key -Calculates the square of the number in the display. See page 25. `r]Square Root Key -Calculates the square root of the number in the display. x 77: 0. See page 25. NE Reciprocal Key -Divides the display value into 1. 0. See page 27. Di Percent Key -Converts displayed number from a percentage to a decimal. Used with +, x,+, this key can perform add-on, discount and percentage calculations. See page 27. EInl a Natural Logarithm Key -Calculates the natural logarithm (base e) of the number in the display. x 0. See page 28 LI7ja Natural Antilogarithm (e to the x Power) Sequence - Calculates the natural antilogarithm of the number in the display (raises e to the displayed power). See page 28 Common Logarithm Key -Calculates the common logarithm (base 10) of the number in the display. x 0. See page 29 [Lferj ii 2fj Common Antilogarithm (10 to the x Power) Sequence -Calculates the common antilogarithm of the displayed value (raises 10 to the displayed power). See page 29 ONO Degree, Radian, Grad Key -Selects the units for angular measurement. Can be changed whenever desired. See page 30 6

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Fn
Constant Key
—Stores
a
number
and
its
associated
operation
for
repetitive
calculations.
Enter
the
number,
then
the
operation.
then
press
Q.
See
page
23
-
M
En
Parentheses
Keys
—
Used
to
isolate
particular
numerical
expressions
for
separate
mathematical
interpretation.
See
page
20.
rY
il
y
to
the
x
Power
Key
-
Raises
the
displayed
value
y
to
the
xth
power.
Order
of
entry
is
y
x.
y
cannot
be
negative.
but
both
x
and
y
can
be
tractional.
See
page
28.
cz±i
`e4)x
Root
of
y
Key
—Takes
the
xth
root
of
the
displayed
value
y.
Order
of
entry
is
y
x.
y
cannot
be
negative.
but
both
x
and
y
can
be
fractional.
See
page
26.
Square
Key
—Calculates
the
square
of
the
number
in
the
display.
See
page
25.
`r]
Square
Root
Key
—Calculates
the
square
root
of
the
number
in
the
display.
x
77:
0.
See
page
25.
NE
Reciprocal
Key
—Divides
the
display
value
into
1.
0.
See
page
27.
Di
Percent
Key
—Converts
displayed
number
from
a
percentage
to
a
decimal.
Used
with
+,
x,+,
this
key
can
perform
add-on,
discount
and
percentage
calculations.
See
page
27.
Il
Ena
Natural
Logarithm
Key
—Calculates
the
natural
logarithm
(base
e)
of
the
number
in
the
display.
x
0.
See
page
28
LI7ja
Natural
Antilogarithm
(e
to
the
x
Power)
Sequence
—
Calculates
the
natural
antilogarithm
of
the
number
in
the
display
(raises
e
to
the
displayed
power).
See
page
28
Common
Logarithm
Key
—Calculates
the
common
logarithm
(base
10)
of
the
number
in
the
display.
x
0.
See
page
29
[Lferj
ii
2
fj
Common
Antilogarithm
(10
to
the
x
Power)
Sequence
—Calculates
the
common
antilogarithm
of
the
displayed
value
(raises
10
to
the
displayed
power).
See
page
29
ONO
Degree,
Radian,
Grad
Key
—Selects
the
units
for
angular
measurement.
Can
be
changed
whenever
desired.
See
page
30
6