Texas Instruments TI-30XIIB Owners Manual - Page 13

Texas Instruments TI-30XIIB Manual

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The entry procedure is to key in the mantissa (including its sign), then press Eig and enter the power of ten. Any number smaller than ±1 x 10 or larger than :199999999 must be entered in scientific notation. The number 320.000.000.000 can be written 3.2 x 10" and can be entered into the calculator as: Enter 3.2 11 Press kael Display 0. 3 2 00 3 2 11 The last two digits on the right side of the display are used to indicate the exponent of 10. Additional digits can be entered after pressingRP, but only the last two numbers pressed are retained as the exponent. In scientific notation, a positive exponent indicates how many places the decimal point should be shifted to the right If the exponent is negative, the decimal should be moved to the left. Regardless of how a mantissa is entered in scientific notation, the calculator normalizes the number, displaying a single digit to the left of the decimal point. when any function or operation key is pressed. Example: Enter 6025 x 1010 Enter 6025 20 Press O Display 0. 6025 00 6025. 20 6 025 23 The decimal point of the entered mantissa must not be beyond the 5th digit from the left because the mantissa for scientific notation is limited to 5 digits in the display. Eight dl its can be entered, but only 5 are displayed when OE is pressed. The entire eight digit mantissa is used for calculations. The display does not go into scientific notation format if more than S numbers are entered to the left of the decimal point. 11

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The
entry
procedure
is
to
key
in
the
mantissa
(including
its
sign),
then
press
Eig
and
enter
the
power
of
ten.
Any
number
smaller
than
±1
x
10
or
larger
than
:199999999
must
be
entered
in
scientific
notation.
The
number
320.000.000.000
can
be
written
3.2
x
10"
and
can
be
entered
into
the
calculator
as:
Enter
Press
Display
kael
0.
3.2
3
2
00
11
3
2
11
The
last
two
digits
on
the
right
side
of
the
display
are
used
to
indicate
the
exponent
of
10.
Additional
digits
can
be
entered
after
pressing
RP,
but
only
the
last
two
numbers
pressed
are
retained
as
the
exponent.
In
scientific
notation,
a
positive
exponent
indicates
how
many
places
the
decimal
point
should
be
shifted
to
the
right
If
the
exponent
is
negative,
the
decimal
should
be
moved
to
the
left.
Regardless
of
how
a
mantissa
is
entered
in
scientific
notation,
the
calculator
normalizes
the
number,
displaying
a
single
digit
to
the
left
of
the
decimal
point.
when
any
function
or
operation
key
is
pressed.
Example:
Enter
6025
x
10
10
Enter
6025
20
Press
O
Display
0.
6025
00
6025.
20
6
025
23
The
decimal
point
of
the
entered
mantissa
must
not
be
beyond
the
5th
digit
from
the
left
because
the
mantissa
for
scientific
notation
is
limited
to
5
digits
in
the
display.
Eight
dl
its
can
be
entered,
but
only
5
are
displayed
when
OE
is
pressed.
The
entire
eight
digit
mantissa
is
used
for
calculations.
The
display
does
not
go
into
scientific
notation
format
if
more
than
S
numbers
are
entered
to
the
left
of
the
decimal
point.
11