Texas Instruments TI-30XIIB Owners Manual - Page 18

Input, Error, Correction

Get Texas Instruments TI-30XIIB PDF manuals and user guides View all Texas Instruments TI-30XIIB manuals
Add to My Manuals
Save this manual to your list of manuals

Page 18 highlights

Input Error Correction At any point in a calculation, gleAli can be pressed twice to clear all calculations. including any errors and start over. This drastic action is seldom necessary. If an incorrect number entry is made, pressing the key before any non-number key clears the incorrect number without affecting any calculation in progress. Special circuitry has been provided to facilitate the correction of a wrong operation entered while keying in your problem. When there are no stored operations. as when the first operation is keyed in. and an unwanted operation key is entered. simply press the correct operation and continue. This applies to I 4 1.F=1.El. CE) and [wail . Correction of an incorrect operation entry while there are stored operations in the calculator is dependent on the table below. INCORRECT ENTRY DESIRED ENTRY y ON/C ON/C CK ON/C ON/C CK CK ON/C CK CK CK •CK means to press the correct key and continue. Locate the incorrect entry you have just made in the column on the left, then follow that row over to the desired operation and apply whatever instruction occurs at that junction. 16

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
Input
Error
Correction
At
any
point
in
a
calculation,
gleAli
can
be
pressed
twice
to
clear
all
calculations.
including
any
errors
and
start
over.
This
drastic
action
is
seldom
necessary.
If
an
incorrect
number
entry
is
made,
pressing
the
key
before
any
non
-number
key
clears
the
incorrect
number
without
affecting
any
calculation
in
progress.
Special
circuitry
has
been
provided
to
facilitate
the
correction
of
a
wrong
operation
entered
while
keying
in
your
problem.
When
there
are
no
stored
operations.
as
when
the
first
operation
is
keyed
in.
and
an
unwanted
operation
key
is
entered.
simply
press
the
correct
operation
and
continue.
This
applies
to
I
4
1.
F=1.
El.
CE)
and
[wail
.
Correction
of
an
incorrect
operation
entry
while
there
are
stored
operations
in
the
calculator
is
dependent
on
the
table
below.
INCORRECT
ENTRY
DESIRED
ENTRY
y
ON/C
ON/C
CK
ON/C
ON/C
CK
CK
ON/C
CK
CK
CK
•CK
means
to
press
the
correct
key
and
continue.
Locate
the
incorrect
entry
you
have
just
made
in
the
column
on
the
left,
then
follow
that
row
over
to
the
desired
operation
and
apply
whatever
instruction
occurs
at
that
junction.
16