Texas Instruments 30XA Manual de usuario

Ti30xa School Edition_Jan2005.doc TI-30Xa SOLAR

School Edition Bob Fedorisko Revised: 1/13/2005

10:03:00 AM Printed: 2/2/2005 3:38:00 PM Page 1 of 23

TITI

TI-

-30Xa SOLAR

30Xa SOLAR30Xa SOLAR

30Xa SOLAR

School Edition

School EditionSchool Edition

School Edition

i30xa School Edition_Jan2005.doc TI-30Xa SOLAR Scho

dition Bob Fedorisko Revised: 1/13/05 10:03 AM

rinted: 2/1/05 3:00 PM Page 2 of 23

Important

Texas Instruments makes no warranty, either express

or implied, including but not limited to any implied

warranties of merchantability and fitness for a particular

purpose, regarding any programs or book materials and

makes such materials available solely on an “as-is”

basis.

In no event shall Texas Instruments be liable to anyone

for special, collateral, incidental, or consequential

damages in connection with or arising out of the

purchase or use of these materials, and the sole and

exclusive liability of Texas Instruments, regardless of

the form of action, shall not exceed the purchase price

of this equipment. Moreover, Texas Instruments shall

not be liable for any claim of any kind whatsoever

against the use of these materialsby any other party.



2003, 2005 Texas Instruments Incorporated

education.ti.com

Ti30xa School Edition.doc TI-30Xa SOLAR School Edition

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Table of Contents

Basic Operations................................................... 2

Results ................................................................. 3

Basic Arithmetic .................................................... 3

Percents ............................................................... 4

Powers and Roots................................................. 5

Logarithmic Functions ........................................... 5

Angle Units ........................................................... 6

DMS ..................................................................... 6

Rectangular to Polar ............................................. 7

Polar to Rectangular ............................................. 7

Trigonometric Functions ........................................ 8

Hyperbolic Functions............................................. 8

One-Variable Statistics .......................................... 9

Probability............................................................11

Clearing and Correcting........................................12

Constants (Repeated Operations) ........................12

Memory ...............................................................13

Order of Operations .............................................14

Notation...............................................................15

Display Indicators ................................................16

Error Conditions ...................................................17

In Case of Difficulty ..............................................18

Service Information ..............................................19

One-Year Limited Warranty for Commercial

Electronic Product ............................................20

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Basic Operations

TI-30Xa Solar

¦To turn on the TI-30Xa Solar, expose the solar

panel to light and press !. Note: Always press

!to clear the calculator because memory and

display may contain incorrect numbers.

¦To turn off the TI-30Xa Solar, cover the solar panel

with the slide case.

2nd Functions

2nd functions are printed above the keys. "selects

the 2nd function of the next key pressed. For example,

2 " t calculates the cube of 2.

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Results

The calculator can display up to 10 digits plus a minus

sign (-9,999,999,999 through 9,999,999,999) and a

2-digit exponent. Results with more than 10 digits

display in scientific notation.

Basic Arithmetic

D>82 60 D5 812 J120.

JCompletes all pending operations.

With constant ( K), repeats the

operation and value.

OChanges sign of value just entered.

1 D8 O D 12 J5.

6 7 Parenthetical expression (up to 15

open). Jcloses all open

parentheses.

.Pi is calculated with 12 digits

(3.14159265359), displayed with 10

digits (3.141592654).

2 8 . J 6.283185307

Ti30xa School Edition.doc TI-30Xa SOLAR School Edition

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Percents

Percentage (5% of 250)

250 85 " u 0.05

J12.5

Ratio (Ratio of 250 to 5% )

250 25 " u 0.05

J5000.

Add-On (5% add-on of 250)

250 D5 " u 12.5

J262.5

Discount (5% discount of 250)

250 >5 " u 12.5

J237.5

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Powers and Roots

/8 / D 4 / J 0.375

06 0 D 2 J38.

1256 1 D 4 1 J 18.

" t 2 " t D 2 J10.

" z 8 " z D 4 J6.

,5 ,3 J125.

" Y 8 " Y 3 J2.

Logarithmic Functions

$15.32 $1.185258765

D12.45 $ J 2.280428117

" R 2 "R>10 0 J 0.

%15.32 %2.729159164

D12.45 % J 5.250879787

" S .693 " S 1.999705661

D1 J2.999705661

(e=2.71828182846)

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Angle Units

#Cycles angle-unit setting between

degrees, radians, and grads

without affecting displayed number.

" Q Cycles (converts) angle-unit setting

between degrees, radians, and

grads for display, entry, and

calculation.

45 DEG 45

" Q RAD 0.785398163

" Q GRAD 50.

" Q DEG 45.

DMS

Enter DMS (Degrees/Minutes/Seconds) values as

D.MMSSs, using 0s as necessary:

Ddegrees (0–7 digits)

.decimal-point separator

MM minutes (must be 2 dig its)

SS seconds (must be 2 digits)

sfractional part of a second

For example, enter 48 ¡5'3.5" as 48.05035.

Note: Before using a DMS value in a calculation, you

must convert it to decimal with " q.

" q Interprets display as DMS and

converts it to decimal.

30.09090 " q 30.1525

" w Temporarily displays current value as

DMS.

30.1525 " w 30¡09'09"0

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Rectangular to Polar

" k converts rectangular coordinates ( x,y) to

polar coordinates (r,q).

Convert rectangular coordinates (10,8 )to polar.

#(if necessary) DEG

10 " [ 8 DEG 8

" k (display r)DEG r 12.80624847

" [ (display q)DEG 38.65980825

Polar to Rectangular

" e converts polar coordinates ( r,q) to

rectangular coordinates (x,y).

Convert polar coordinates (5,30)to rectangular.

#(if necessary) DEG

5 " [ 30 DEG 30

" e (display x)DEG x 4.330127019

" [ (display y)DEG 2.5

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Trigonometric Functions

Before using the trigonometric functions ( ), ,

+, " V, " W, or " X), select

DEG, RAD, or GRAD with #. Note: Before using a

DMS value in a calculation, you must convert it to

decimal with " q.

#(if necessary) DEG

90 )DEG 1.

>30 DEG 0.866025404

JDEG 0.133974596

1 " V DEG 90.

>.5 JDEG 89.5

Hyperbolic Functions

To access hyperbolic functions, press (and then

the function ( ( ), ( , ( +, (

" V, ( " W, ( " X).

Note: DEG, RAD, or GRAD does not affect hyperbolic

calculations.

5 ( ) 74.20321058

D2 J76.20321058

5 ( " V 2.312438341

D2 J4.312438341

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