Texas Instruments TI-30XIIB Owners Manual - Page 10

BASIC, OPERATIONS, Turning, Calculator, Initial, Display

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BASIC OPERATIONS Your calculator is easy to operate because of its algebraic entry format which allows entry of most problems just as they are stated. Although many operations may be obvious. the following instructions arid examples help you develop skill and confidence in problem solving. Turning the Calculator On Pressing 04. the upper right most key on the keyboard applies power to the calculator and totally clears the calculator. Power-on condition is indicated by the presence of a lighted digit in the display. The 1-44] key. of course. removes power from the calculator. If the d ay is not blank after a battery is installed, press At] to reset the calculator. Initial Display In addition to power-on and numerical information. the display provides indication of a negative number, decimal point, angular mode and error. As many as 8 digits can be entered. All digit keys pressed after the 8th are ignored. an9utar mode indicator I ' integer flOihng mous sign decimal point decornol Any negative number is displayed with a minus sign immediately to the left of the number just as negative numbers are normally written. The minus sign is located here instead of on the far left of the display for ease of reading. 8

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BASIC
OPERATIONS
Your
calculator
is
easy
to
operate
because
of
its
algebraic
entry
format
which
allows
entry
of
most
problems
just
as
they
are
stated.
Although
many
operations
may
be
obvious.
the
following
instructions
arid
examples
help
you
develop
skill
and
confidence
in
problem
solving.
Turning
the
Calculator
On
Pressing
04.
the
upper
right
most
key
on
the
keyboard
applies
power
to
the
calculator
and
totally
clears
the
calculator.
Power
-on
condition
is
indicated
by
the
presence
of
a
lighted
digit
in
the
display.
The
1
-44
]
key.
of
course.
removes
power
from
the
calculator.
If
the
d
ay
is
not
blank
after
a
battery
is
installed,
press
At]
to
reset
the
calculator.
Initial
Display
In
addition
to
power
-on
and
numerical
information.
the
display
provides
indication
of
a
negative
number,
decimal
point,
angular
mode
and
error.
As
many
as
8
digits
can
be
entered.
All
digit
keys
pressed
after
the
8th
are
ignored.
an9utar
mode
indicator
I
'
integer
decimal
point
decornol
flOihng
mous
sign
Any
negative
number
is
displayed
with
a
minus
sign
immediately
to
the
left
of
the
number
just
as
negative
numbers
are
normally
written.
The
minus
sign
is
located
here
instead
of
on
the
far
left
of
the
display
for
ease
of
reading.
8