Filter
Top Products
-1-
TI
½
40 Collège
×
Scientific Calculator
Texas Instruments
7800 Banner Dr.
Dallas, TX 75251 U.S.A.
Texas Instruments Holland B.V.
Rutherfordweg 102
3542 CG Utrecht - The Netherlands
¾
www.ti.com/calc
1999 Texas Instruments Incorporated
General Information
Examples
: See the last page of these instructions for
keystroke examples that demonstrate many of the
TI
N
40 Collège
Ö
functions. Examples assume all default
settings.
&
turns on the TI
N
40 Collège
Ö
.
%
'
turns it off and
clears the display. APD™ (Automatic Power Down™) turns
off the TI
N
40 Collège
Ö
automatically if no key is pressed
for about 5 minutes. Press
&
after APD. The display,
pending operations, settings, and memory are retained.
2-Line Display
: The first line (
Entry Line
) displays an entry
of up to 88 digits (or 47 digits for Stat or Constant Entry
Line). Entries begin on the left; those with more than 11
digits scroll to the right. Press
!
and
"
to scroll the line.
Press
%
!
or
%
"
to move the cursor immediately to
the beginning or end of the entry.
The second line (
Result Line
) displays a result of up to 10
digits, plus a decimal point, a negative sign, a “
x10
” indicator,
and a 2-digit positive or negative exponent. Results that
exceed the digit limit are displayed in Scientific Notation.
Indicator Definition
2nd
2nd function.
FIX
Fixed-decimal setting.
STAT
Statistical mode.
RAD
Angle mode set to radians.
ÄÄ
Q
ÄÄ
ÄÄ
R
ÄÄ
Displa
y
s quotient (
Q
) and remainder (
R
) for
integer divide result.
N/D
¹
n/d
The fraction result can be further simplified.
º
»
An entr
y
is stored in memor
y
before and/or
after the active screen. Press
#
and
$
to
scroll.
¹
¸
An entr
y
or menu displa
y
s be
y
ond 11 di
g
its.
Press
!
or
"
to scroll.
2nd Functions
:
%
displays the
2nd
indicator, and then
selects the 2nd function (printed above keys) of the next key
pressed. For example,
%
b
25
E
<
calculates the
square root of 25 and returns the result, 5.
Menus
: Certain TI
N
40 Collège
Ö
keys display menus:
z
,
%
h
,
L
,
d
,
%
~
,
%
A
,
%
B
,
%
t
,
u
,
%
w
,
H
,
%
I
,
=
,
%
k
,
%
‚
,
and
%
.
Press
!
or
"
to move the cursor and underline a menu
item. To return to the previous screen without selecting the
item, press
-
. To select a menu item:
¦
Press
<
while the item is underlined, or
¦
For menu items followed by an argument value, enter the
argument value while the item is underlined. The item and
the argument value are displayed on the previous screen.
Previous Entries
#
$
After an expression is evaluated, use
#
and
$
to scroll
through previous entries, which are stored in the
TI
N
40 Collège
Ö
memory. You cannot retrieve previous
entries while in
STAT
mode.
Last Answer
%
i
The most recently calculated result is stored to the variable
Ans
.
Ans
is retained in memory, even after the
TI
N
40 Collège
Ö
is turned off. To recall the value of
Ans
:
¦
Press
%
i
(
Ans
displays on the screen), or
¦
Press any operations key (
T
,
U
,
F
, etc.) as the first
part of an entry.
Ans
and the operator are both displayed.
Order of Operations
The TI
N
40 Collège
Ö
uses EOS
é
(Equation Operating
System) to evaluate expressions.
1st Expressions inside parentheses.
2nd Functions which need a
)
and precede the ar
g
ument
,
such as the
sin
,
log
, and all
R
Í
P
menu items.
3rd Fractions.
4th Functions that are entered after the ar
g
ument, such
as
x
2
and angle unit modifiers (
Ä
Å
Æ
r
g
).
5th Exponentiation
(^)
and roots (
x
Ñ
).
6th Negation (
M
).
7th Permutations (
nPr
) and combinations (
nCr
).
8th Multiplication, implied multiplication, division.
9th Addition and subtraction.
10th Conversions (
Ab
Ì
c
Í
d
Ì
e
,
4
F,
4
D
,
4
%
,
4
DMS
).
11th
<
completes all operations and closes all open
parentheses.
Clearing and Correcting
-
Clears an error message.
Clears characters on the entry line.
Moves the cursor to last entr
y
in histor
y
once display is clear.
J
Deletes the character at the cursor.
Deletes all characters to the ri
g
ht when
y
ou hold down
J
; then, deletes 1
character to the left of the cursor each tim
e
you press
J
.
%
f
Inserts a character at the cursor.
%
{
Clears all memory variables.
%
t
CLRDATA
Clears all data points without exitin
g
STAT
mode.
%
w
Y
Clears all data points and exits
STAT
mode.
%
Y
or
&
&
-
Resets the TI
N
40 Collè
g
e
Ö
. Returns unit
to default settin
g
s; clears memor
y
variables, pendin
g
operations, all entries in
histor
y
, and statistical data; clears
constant mode and
Ans
.
Math Operations
d
d
displays a menu with various math functions. Some
functions require you to enter 2 values, real numbers or
expressions which equal return a real number.
%
`
separates 2 values.
abs(#) Displays absolute value of
#
.
round(#,digits) Rounds
#
to specified number of digits.
iPart(#) Returns onl
y
the inte
g
er part (iPart) or