Texas Instruments solar TI-36X User Manual

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TI-36Xý

Scientific Calculator

USER’S GUIDE

2000, 2003 Texas Instruments Incorporated education.ti.com

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Ti36eng1.doc TI-36XII Manual Linda Bower Revised: 01/10/03 10:47 AM Printed: 01/10/03 10:47 AM Page 0 of 48

Table of Contents

 

Turning the Calculator On and Off............................

1

Alternate Functions...................................................

1

Display......................................................................

2

Scrolling....................................................................

2

Menus.......................................................................

3

Fix.............................................................................

3

Clearing, Correcting, and Resetting .........................

4

Display Indicators .....................................................

5

Order of Operations..................................................

6

Basic Operations ......................................................

7

Last Answer..............................................................

7

Percent .....................................................................

9

Fractions.................................................................

10

Exponents, Roots, and Reciprocals .......................

11

Notation ..................................................................

12

Pi ............................................................................

13

Memory...................................................................

14

Stored Operations ..................................................

16

Logarithms..............................................................

18

Trigonometric Functions.........................................

20

Angle Modes...........................................................

22

Rectangular/Polar ................................................

24

Hyperbolic Functions..............................................

25

Metric Conversions.................................................

26

Physical Constants.................................................

28

Integrals..................................................................

30

Probability...............................................................

32

Statistics .................................................................

34

Boolean Logic Operations ......................................

39

Number-SystemModes..........................................

40

Complex Numbers..................................................

41

Error Conditions......................................................

43

In Case of Difficulty.................................................

45

Battery Replacement ..............................................

45

Service Information.................................................

46

Ti36eng1.doc TI-36XII Manual Linda Bower Revised: 01/10/03 10:47 AM Printed: 01/10/03 10:47 AM Page 0 of 48

Turning the Calculator On and Off

The TI-36Xüis battery powered.

To turn on the TI-36Xü, press T.

To turn off the TI-36Xü, press %r. All data in memory is retained.

APDé (Automatic Power Downé) turns off the TI-36Xüautomatically if no key is pressed for about five minutes. Press Tafter APD to power up again; the display, pending operations, settings, and memory are retained.

Alternate Functions

Most keys can perform two functions. The first function is marked on the key, and the second function is marked above the key, as illustrated below.

2nd function

ì

Primary function

P

Press %to activate the second function of a key. To cancel the second function before making an entry, press %again. In this manual, second functions are shown in brackets ([ ]). For example, press Pto find the square of a number. Press %nto find the square root of a number.

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Display

The TI-36Xühas atwo-linedisplay. The first line (Entry Line) displays an entry of up to 88 digits or items (47 forStat or Stored Operations). Entries begin on the left; those with more than 11 digits scroll to the left. You can have as many as 23 levels of parentheses and up to 8 mathematical operations pending.

The second line (Result Line) displays a result of up to 10 digits, plus a decimal point, a negative sign, ax10 indicator, and a2-digitpositive or negative exponent. Results that exceed the digit limit are displayed in scientific notation.

Note: In the text, numbers containing decimal fractions are shown in decimal format consistent with the calculator display.

Scrolling

Scroll with ", !, #, and $.

Press "and !to scroll horizontally through the current or previous entries, or to move the underscore within a menu list. Press %"or %!to move the cursor to the beginning or end of the entry.

After an expression is evaluated, press #and $ to scroll through previous entries, which are stored in the TI-36Xühistory. If you edit a previous entry and press V, the calculator will evaluate the new expression and return the new result.

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Menus

Some key presses access menus: S, R, e, -,8, &, /, ., %q, %p, %d, %^, %m, %], %6, %f, %h, %Z, %t, %\, and %s.

The menu choices are displayed on the screen. Press "or !to scroll through the menu and underline an item. To select an underlined item:

Press Vwhile 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 transferred to the current entry. However, if the argument is another function, you need to press Vto select the first function before proceeding to the next.

To return to the previous screen without selecting the menu item, press 4.

Fix

%tdisplays a menu: F0123456789. To round displayed results, scroll with "or !to select the desired number of decimal places, or enter the numeral corresponding to the desired number of decimal places. The displayed value is padded with zeroes if needed. To restore standard notation (floating decimal), selectF (default) in the menu, or press %tI.

You can specify rounding places before you begin your calculations, before you complete an operation with V, or after the results are displayed.

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Clearing, Correcting, and Resetting

Key Action

4Action depends on position of the cursor.

If cursor is in the middle of an entry, clears character under the cursor and all characters to the right of the cursor.

If cursor is at the end of an entry, clears the entire entry.

If an Error message is displayed, clears the error message and moves the cursor to last entry in history.

If a menu is displayed, exits menu.

'If the cursor is on a character, deletes the character under the cursor.

 

If the cursor is at the end of an entry,

 

deletes the character to the left of the

 

cursor.

%[

Lets you insert one or more characters at

 

the cursor.

%s Resets the TI-36Xü. Returns unit to

"V

default settings; clears memory variables,

or

pending operations, all entries in history,

T&4 statistical data, Ans, and stored

(simul-

operations. MEM CLEARED is displayed.

taneously)

 

You can overwrite entries. Move the cursor to the desired location and begin pressing keys. The new keypresses will overwrite the existing entry, character by character.

Before beginning a new set of examples or problems in this manual, reset the calculator to ensure that your displays will be the same as those shown.

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Display Indicators

Special indicators may appear in the display to provide additional information about functions or results.

Indicator

Meaning

2nd

2nd function is active.

FIX

Calculator is rounding results to

 

specified number of places.

SCI or ENG

Scientific or engineering notation is

 

active.

STAT

Calculator is in Statistics mode.

DEG, RAD,

Specifies angle-unitsetting (degrees,

or GRAD

radians, or grads). The default is the

 

degree setting.

HEX or OCT

Calculator is in hexadecimal or octal

 

mode.

x10

Precedes the exponent in scientific or

 

engineering notation.

# $

An entry is stored in memory before

 

and/or after the active screen. Press #

 

and $to scroll.

"! An entry or menu list extends beyond the capacity of the screen. Press "and !to scroll.

r or i

Complex number, real part, or

 

complex number, imaginary part.

µ

Calculator is busy.

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Order of Operations

The TI-36Xüuses EOSè (Equation Operating

System) to evaluate expressions.

Order

Evaluation

1st

Expressions inside parentheses.

2nd

Functions which need a ) and precede the

 

argument, such as sin,log, and allR/P

 

menu items; Boolean Logic NOT and2’s

 

complement.

3rd

Fractions.

4th

Functions that are entered after the argument,

 

such as x2 and angle unit modifiers (éêër g);

 

metric conversions.

5th

Exponentiation (^) and roots (x‡).

6th

Negation (L).

7th

Permutations (nPr) and combinations (nCr).

8th

Multiplication, implied multiplication, division.

9th

Addition and subtraction.

10th

Boolean logic AND.

11th

Boolean logic XOR andOR.

12th

Conversions (4Ab/c/d/e,4F/D, 4DMS).

13th

Vcompletes all operations and closes all

 

open parentheses.

You can change the order of operations by enclosing expressions in parentheses.

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Basic Operations

As you press keys, numerals, operators, and results appear on the display.

H, ?, @, A, B, Enters numerals 0 through 9.

C, D, E, F, G

:, ;, <, =

Adds, subtracts, multiplies,

 

divides.

N, O

Opens, closes a parenthetical

 

expression.

IInserts the decimal point.

JEnters a negative sign.

VCompletes all operations.

Last Answer

%urecalls the value of the most recently calculated result and enters it into the current entry as

Ans.

If you press an operator key immediately after completing an operation with V, the most recently calculated result is recalled and entered as Ans.

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³

5 <9 :6 ;2 V

5 <N9 :6 O;2 V

W8 87 <

%t""""

V

5 <2 :%u%t6 V

%tI

###

"""'%[8 V

%s"V

Examples

5è9+6-2ß

49.

,-/

5è(9+6)-2ß

73.

,-/

Ansñ8.7 ß

8.390804598

,-/

F0123456789

,-/

Ansñ8.7 ß

8.391

.1: ,-/

5è2+Ans ß

18.390805

.1: ,-/

5è29

2+Ans ß 18.3908046

,-/

5è(9+6)-2ø

,-/

5è(8+6)-2ß

68.

,-/

MEM CLEARED

,-/

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Ti36eng1.doc TI-36XII Manual Linda Bower Revised: 01/10/03 10:47 AM Printed: 01/10/03 10:47 AM Page 8 of 48