Page 1
Last Answer
The most recently calculated result is stored to the variable
TI-30X ×B
and
TI-30X
Scientific Calculators
1999 Texas Instruments Incorporated
×
S
Ans. Ans
turned off. To recall the value of
¦
¦
Order of Operations
The TI-30X Ö uses EOSé (Equation Operating System) to
evaluate expressions.
General Information
Examples
keystroke examples that demonstrate many of the
TI-30X
&
the display.
APD™ (Automatic Power Down™) turns off the TI-30X
automatically if no key is pressed for about 5 minutes.
Press
settings, and memory are retained.
2-Line Display
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
Press
the beginning or end of the entry.
The second line (
digits, plus a decimal point, a negative sign, a “
indicator, and a 2-digit positive or negative exponent.
Results that exceed the digit limit are displayed in Scientific
Notation.
Indicator Definition
2nd
HYP
FIX
SCI, ENG
STAT
DEG, RAD,
GRAD
K
x10
º »
¹ ¸
2nd Functions
selects the 2nd function (printed above keys) of the next
key pressed. For example,
calculates the square root of 25 and returns the result, 5.
Menus
% h, L, % t, u, % w
H, I, =, % k, % d, % ‚
%
Press
item. To return to the previous screen without selecting the
item, press
To select a menu item:
¦
¦
Previous Entries
After an expression is evaluated, use # and $ to scroll
through previous entries, which are stored in the TI-30X
memory. You cannot retrieve previous entries while in
mode. You can edit a previous entry and press < to
evaluate the new expression.
: See the last page of these instructions for
functions. Examples assume all default settings.
Ö
turns on the TI-30X Ö. % ' turns it off and clears
Ö
after APD. The display, pending operations,
&
: The first line (
or % " to move the cursor immediately to
% !
Result Line
2nd function.
Hyperbolic function.
Fixed-decimal setting.
Scientific or Engineering Notation.
Statistical mode.
Angle mode (degrees, radians, or
gradients).
Constant mode is on.
Precedes the exponent in Scientific or
Engineering Notation.
An entry is stored in memory before and/or
after the active screen. Press
scroll.
An entry or menu displays beyond 11 digits.
Press
:
%
: Certain TI-30X
.
or " to move the cursor and underline a menu
!
.
-
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.
Entry Line
!
) displays a result of up to 10
or " to scroll.
!
displays the
% b
keys display menus:
Ö
) displays an entry
and " to scroll the line.
#
2nd
indicator, and then
25 E
<
x10
”
and $ to
z
# $
,
,
, and
Ö
STAT
Clearing and Correcting
-
J
% f
% {
% t
CLRDATA
%w
%
or
&
Fractions
Fractional calculations can display fractional or decimal
results. Results are automatically simplified.
¦ N
¦ %
¦ %
Pi
p
p
Angle Modes
I
degrees, radians, or gradients.
=
degrees (
also lets you convert an angle to DMS Notation (
To set the Angle mode for any part of an entry:
¦
%i
is retained in memory, even after the TI-30X
Press % i (
Press any operations key (T, U, F, etc.) as the first
part of an entry.
Ans
Ans
and the operator are both displayed.
Ans
displays on the screen), or
:
is
Ö
¦
To convert an entry:
¦
¦
Trigonometry > ? @
1st Expressions inside parentheses.
2nd Functions that need a ) and precede the argument,
3rd Fractions.
4th Functions that are entered after the argument, such
5th Exponentiation
6th Negation (M).
7th Permutations (
8th Multiplication, implied multiplication, division.
9th Addition and subtraction.
10th Conversions (
11th
&
sin, log
such as
2
x
and angle unit modifiers (Ä Å Æ
as
completes all operations and closes all open
<
parentheses.
Y
-
, and all
(^)
and roots (
nPr
) and combinations (
b
A
Ì
Clears an error message.
Clears characters on entry line.
Moves the cursor to last entry in history
once display is clear.
Deletes the character at the cursor.
Deletes all characters to the right when
you hold down
character to the left of the cursor each
time you press
Inserts a character at the cursor.
Clears all memory variables.
Clears all data points without exiting
mode.
STAT
Clears all data points and exits
Y
mode.
Resets the TI-30X Ö. Returns unit to
default settings; clears memory
variables, pending operations, all entries
in history, and statistical data; clears
constant mode and
N
enters a fraction. Press N between whole number,
numerator, and denominator. The unit, numerator, and
denominator must be positive integers.
j converts between fractions and decimals.
converts between mixed numbers and
O
simple fractions.
R
d
Ì
Í
c
%j
P
menu items.
Í
r g
x
).
‡
D, 4DMS
F
,
Í
e
; then, deletes 1
J
.
J
Ans
.
%O
).
nCr
).
).
STAT
Enter trigonometric functions (sin, cos, tan, sin-1, cos-1, tan-1),
just as you would write them. Set the desired Angle mode
before starting trigonometric calculations.
Hyperbolics
% Y
hyperbolic function of the next trigonometry key that you
press. Angle modes do not affect hyperbolic calculations.
Logarithms
A
B
(e=2.819291929).
%]
%^
RectangularÍPolar
% k
coordinates (x,y) to polar coordinates (r,
Set Angle mode, as necessary, before starting calculations.
Constants
% l
constant.
To store an operation to K and recall it:
1. Press
2. Enter any combination of numbers, operators, and/or
3. Press
4. Each subsequent time you press
Press
Memory
The TI-30X Ö has 5 memory variables—A, B, C,
You can store a real number or an expression that results
in a real number to a memory variable.
¦ z
¦ L
¦ %
¦ %
Notation
g
=3.141592653590 for calculations.
=3.141592654 for display.
I
=
displays a menu to specify the Angle mode as
displays a menu to specify the Angle unit modifier—
Ä
), radians (r), gradients (g), or DMS (Ä Å Æ). It
Select the Angle mode. Entries are interpreted and results
displayed according to the Angle mode, or
4
DMS
).
% ‚
These modes affect
restores standard notation (floating-decimal) format.
0123456789
numeric notation mode format.
% d
These modes affect
¦
¦
¦
% C
of the numeric notation mode. Press
negative exponent.
Select a unit modifier (Ä Å Æ) for any part of an entry.
Entries with unit modifiers are interpreted accordingly,
overriding the Angle mode.
Set the Angle mode to the unit you want to convert to.
Then use a unit modifier to designate the unit to convert
from. (Angles of trigonometric functions convert values
inside parentheses first.), or
Select 4DMS, which converts an entry to DMS (
Notation.
Ä Å Æ
)
%Z[\
%Y
displays the
indicator and accesses the
HYP
A B %]^
yields the common logarithm of a number.
yields the logarithm of a number to the base e
raises 10 to the power you specify.
raises e to the power you specify.
%k
displays a menu to convert rectangular
) or vice versa.
q
%l
turns Constant mode on and lets you define a
.
%l
values, up to 44 characters, beginning with an operator.
to save the operation. K displays in the
<
indicator line.
, the TI-30X
recalls the stored operation and applies it to the last
answer or the current entry.
again to turn Constant mode off.
% l
z
accesses the menu of variables.
lets you store values to variables.
h recalls the values of variables.
clears all variable values.
{
%‚
displays the
sets decimal places to n (0–9), retaining
FLO (default): Floating Notation, with digits to the left and
right of the decimal
SCI: Scientific Notation
ENG: Engineering Notation (exponent is a multiple of 3)
enters a value in
Decimal Notation
only
the display of results. F (default)
displays the
only
the display of results.
Scientific Notation
<
L
%h{
%d
mode menu.
Numeric Notation
before entering a
M
Ö
,
and
.
D
E
%C
mode menu.
, regardless
ENG 30XÖàOMà1L1/A Page 1
Page 2
Statistics
1-VAR
measured variable,
from 2 data sets with 2 measured variables—
independent variable, and
%tw v u
analyzes statistical data from 1 data set with 1
x
.
stats analyzes paired data
2-VAR
y
, the dependent variable. You
x
, the
can enter up to 42 data sets.
To define statistical data points:
% t
1. Press
. The
<
2. Press
v
3. Enter a value for
4. Press
$
In
¦
1-VAR
(
) of the data point.
FRQ
. Select
indicator displays.
STAT
.
X
.
stat mode, enter the frequency of occurrence
.
1
or
1-VAR
default=1. If
FRQ
2-VAR
and press
=0, the
FRQ
data point is ignored.
In
stat mode, enter the value for
¦
2-VAR
.
<
and press
1
Y
5. Repeat steps 3 and 4 until all data points are entered.
or $ to save the last data point
You must press
or
FRQ
<
value entered. If you add or delete data points,
the TI-30X Ö automatically reorders the list.
6. When all points and frequencies are entered:
Press
¦
to display the menu of variables (see
u
table for definitions) and their current values, or
Press v to return to the blank
¦
can do calculations with data variables (
Select a variable from the
u
screen. You
STAT
, etc.).
Ï, Ð
menu and then
press < to evaluate the calculation.
7. When finished:
Press % t and select
¦
points without exiting
Press %
¦
variable and
STAT
w <
values, and to exit
FRQ
mode, or
to clear all data
CLRDATA
to clear all data points,
mode (
STAT
STAT
indicator turns off).
Variables Definition
n Number of
or
Ï
Mean of all x or y values.
Ð
Sx or Sy Sample standard deviation of
Î
x or Îy Population standard deviation of
x or Òy Sum of all
Ò
2
2
x
y
or
Ò
xy Sum of (
Ò
Sum of all x 2 or y 2 values.
Ò
x
or (x,y) data points.
x
or y values.
x
y)
for all xy pairs.
…
x
or y.
x
or y.
a Linear regression slope.
b Linear regression
y
-intercept.
r Correlation coefficient.
x¢ (
) Uses
2-VAR
y¢ (
) Uses
2-VAR
Probability
Calculates the number of possible permutations
nPr
of
a
and b to calculate predicted x value
when you input a
a
and b to calculate predicted y value
when you input an
n
items taken r at a time, given n and r. The
y
value.
x
value.
H
order of objects is important, as in a race.
Calculates the number of possible combinations
nCr
n
items taken r at a time, given n and r. The
of
order of objects is not important, as in a hand of
cards.
A factorial is the product of the positive integers
!
from 1 to
n. n
must be a positive whole number
69.
Generates a random real number between 0 and
RAND
1. To control a sequence of random numbers,
store an integer (seed value)
0 to rand. The
‚
seed value changes randomly every time a
random number is generated.
Generates a random integer between 2 integers,
[
RAND
and B, where
A
{
[
B. Separate the 2
{
RAND
A
integers with a comma.
Errors
ARGUMENT
of arguments.
DIVIDE BY 0
You attempted to divide by 0.
¦
In statistics, n=1.
¦
DOMAIN
— A function does not have the correct number
—
— You specified an argument to a function outside
TI Product Service and Warranty Information
Product Support
Customers in the U.S., Canada, Puerto Rico, and the Virgin
Islands
For general questions, contact Texas Instruments Customer
Support:
the valid range. For example:
For x‡: x = 0 or y < 0 and x not an odd integer.
¦
For yx: y and x = 0; y < 0 and x not an integer.
¦
For ‡x: x < 0.
¦
For LOG or LN: x 0.
¦
For TAN: x = 90¡, -90¡, 270¡, -270¡, 450¡, etc.
¦
For SIN-1 or COS-1: |x| > 1.
¦
For nCr or nPr: n or r are not integers ‚ 0.
¦
For x!: x is not an integer between 0 and 69.
¦
EQUATION LENGTH ERROR
— An entry exceeds the digit
For technical questions, call the Programming Assistance Group of
Customer Support:
Customers outside the U.S., Canada, Puerto Rico, and the
Virgin Islands
Contact TI by e-mail or visit the TI calculator home page on the
World Wide Web.
limits (88 for Entry Line and 47 for Stat or Constant Entry
lines); for example, combining an entry with a constant that
exceeds the limit.
FRQ DOMAIN
FRQ
value (in
stats) < 0 or >99, or
1-VAR
—
not an integer.
OVERFLOW
hyperbolic, or R
STAT
Pressing
¦
When not in STAT mode, pressing v,
¦
% w
SYNTAX
— |q| ‚ 1¯10, where
Pr( function.
4
—
with no defined data points.
u
.
— The command contains a syntax error: entering
is an angle in a trig,
q
u
, or
more than 23 pending operations or 8 pending values; or
having misplaced functions, arguments, parentheses, or
commas.
Battery Replacement
1. Using a small Phillips screwdriver, remove screws from
back case.
2. Remove protective cover. Starting from the bottom,
carefully separate front from back. Caution: Be careful
not to damage any internal parts.
3. Using a small Phillips screwdriver (if necessary),
remove old battery; replace with new one.
Avoid contact with other TI-30X
Caution:
while changing the battery.
4. If necessary, press & and
-
components
Ö
at the same time to
reset the TI-30X Ö (clears memory and all settings).
Caution: Dispose of old batteries properly. Do not
incinerate batteries or leave where a child can find them.
In Case of Difficulty
Review instructions to be certain calculations were
performed properly.
and
&
Press
memory and settings.
Check the battery to ensure that it is fresh and properly
installed.
Change the battery when:
does not turn the unit on, or
¦ &
The screen goes blank, or
¦
You get unexpected results.
¦
To continue using the TI-30X
you can change the battery:
1. Expose the solar panel to brighter light.
2. Press
&
calculator. This clears all settings and memory.
†
Operates in well-lit areas using solar cell. Operates in
other light settings using battery.
at the same time. This clears all
-
×
S (Battery/Solar)
and
at the same time to reset the
-
†
until
Product Service
Customers in the U.S. and Canada Only
Always contact Texas Instruments Customer Support before
returning a product for service.
Customers outside the U.S. and Canada
Refer to the leaflet enclosed with this product or contact your local
Texas Instruments retailer/distributor.
Other TI Products and Services
Visit the TI calculator home page on the World Wide Web.
Warranty Information
Customers in the U.S. and Canada Only
One-Year Limited Warranty for Electronic Product
This Texas Instruments (“TI”) electronic product warranty extends
only to the original purchaser and user of the product.
Warranty Duration.
original purchaser for a period of one (1) year from the original
purchase date.
Warranty Coverage.
defective materials and construction.
THE PRODUCT HAS BEEN DAMAGED BY ACCIDENT OR
UNREASONABLE USE, NEGLECT, IMPROPER SERVICE, OR
OTHER CAUSES NOT ARISING OUT OF DEFECTS IN
MATERIALS OR CONSTRUCTION.
Warranty Disclaimers. ANY IMPLIED WARRANTIES ARISING
OUT OF THIS SALE, INCLUDING BUT NOT LIMITED TO THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
FOR A PARTICULAR PURPOSE, ARE LIMITED IN DURATION
TO THE ABOVE ONE-YEAR PERIOD. TEXAS INSTRUMENTS
SHALL NOT BE LIABLE FOR LOSS OF USE OF THE PRODUCT
OR OTHER INCIDENTAL OR CONSEQUENTIAL COSTS,
EXPENSES, OR DAMAGES INCURRED BY THE CONSUMER OR
ANY OTHER USER.
Some states/provinces do not allow the exclusion or limitation of
implied warranties or consequential damages, so the above
limitations or exclusions may not apply to you.
Legal Remedies.
you may also have other rights that vary from state to state or
province to province.
Warranty Performance.
period, your defective product will be either repaired or replaced
with a reconditioned model of an equivalent quality (at TI’s option)
when the product is returned, postage prepaid, to Texas
Instruments Service Facility. The warranty of the repaired or
replacement unit will continue for the warranty of the original unit or
six (6) months, whichever is longer. Other than the postage
requirement, no charge will be made for such repair and/or
replacement. TI strongly recommends that you insure the product
for value prior to mailing.
Software.
warrant that the software will be free from errors or meet your
specific requirements.
Copyright.
product are protected by copyright.
All Customers Outside the U.S. and Canada
For information about the length and terms of the warranty, refer to
your package and/or to the warranty statement enclosed with this
product, or contact your local Texas Instruments retailer/distributor.
phone:
e-mail:
phone:
e-mail:
Internet:
Software is licensed, not sold. TI and its licensors do not
The software and any documentation supplied with this
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(1.800.842.2737)
ti-cares@ti.com
1.972.917.8324
ti-cares@ti.com
www.ti.com/
www.ti.com/calc
This TI electronic product is warranted to the
This TI electronic product is warranted against
This warranty gives you specific legal rights, and
During the above one (1) year warranty
All software is provided “AS IS.”
calc
THIS WARRANTY IS VOID IF
ENG 30XÖàOMà1L1/A Page 2
Page 3
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%t v u %w
: {45, 55, 55, 55}
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X1=45
STAT DEG
FRQ=1
STAT DEG
X2=55
STAT DEG
FRQ=3
STAT DEG
n Ï Sx Îx
4.330127019
STAT DEG
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8.660254038
STAT DEG
¸
CLRDATA
STAT DEG
STAT DEG
1½VAR 2½VAR
DEG
X1=45
STAT DEG
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STAT DEG
X2=55
STAT DEG
Y2=25
STAT DEG
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xÅ y
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xÅ(45)
¹
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3.
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15.
STAT DEG
EXIT ST: Y N
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EXIT STAT
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ENG 30XÖàOMà1L1/A Page 4
Page 5
H
nPr 8
H
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nCr 52
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8
DEG
nPr nCr !
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8 nPr 3
336.
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52
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nPr nCr !
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¾
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ENG 30XÖàOMà1L1/A Page 5
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