Texas Instruments TI-30X IIS User Manual

0 (0)

Last Answer

The most recently calculated result is stored to the variable

TI-30X ×B

and

TI-30X

Scientific Calculators

1999 Texas Instruments Incorporated



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.

turns on the TI-30X Ö. % ' turns it off and clears

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:

) displays an entry

and " to scroll the line.

2nd

indicator, and then

25 E

x10

”

and $ to

# $

, and

STAT

Clearing and Correcting

% f % { % t

CLRDATA

% 

Fractions

Fractional calculations can display fractional or decimal results. Results are automatically simplified.

¦ N

¦ % ¦ %

p p

Angle Modes

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:

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

and the operator are both displayed.

Ans

displays on the screen), or

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

and angle unit modifiers (Ä Å Æ

completes all operations and closes all open

parentheses.

, and all

(^)

and roots (

nPr

) and combinations (

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

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

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

simple fractions.

menu items.

r g

‡

D, 4DMS

; then, deletes 1

Ans

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

=3.141592653590 for calculations. =3.141592654 for display.

displays a menu to specify the Angle mode as

displays a menu to specify the Angle unit modifier—

), 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

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[\

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.

displays a menu to convert rectangular

) or vice versa.

turns Constant mode on and lets you define a

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

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

%h{

mode menu.

Numeric Notation

before entering a

and

mode menu.

, regardless

ENG 30XÖàOMà1L1/A Page 1

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

stats analyzes paired data

2-VAR

, the dependent variable. You

, the

can enter up to 42 data sets. To define statistical data points:

% t

1. Press . The

2. Press

3. Enter a value for

4. Press

1-VAR

(

) of the data point.

FRQ

. Select indicator displays.

STAT

stat mode, enter the frequency of occurrence

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

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

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

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

indicator turns off).

Variables Definition n Number of

Mean of all x or y values.

Sx or Sy Sample standard deviation of

x or Îy Population standard deviation of x or Òy Sum of all

xy Sum of (

Sum of all x 2 or y 2 values.

or (x,y) data points.

or y values.

for all xy pairs.

…

or y.

a Linear regression slope. b Linear regression

-intercept.

r Correlation coefficient. x¢ (

) Uses

2-VAR

y¢ (

) Uses

2-VAR

Probability

Calculates the number of possible permutations

nPr

and b to calculate predicted x value

when you input a

and b to calculate predicted y value

when you input an

items taken r at a time, given n and r. The

value.

order of objects is important, as in a race. Calculates the number of possible combinations

nCr

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

{

[

B. Separate the 2

{

RAND

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.

—

with no defined data points.

— The command contains a syntax error: entering

is an angle in a trig,

, 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

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.

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

1.800.TI.CARES (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

+ 3 hidden pages