Texas Instruments 30XA User manual

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
TI
TI
TITI
TI-
--
-30Xa SOLAR
30Xa SOLAR30Xa SOLAR
30Xa SOLAR
School Edition
School EditionSchool Edition
School Edition

T
i30xa School Edition_Jan2005.doc TI-30Xa SOLAR Scho
ol
E
dition Bob Fedorisko Revised: 1/13/05 10:03 AM
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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

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

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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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Ti30xa School Edition.doc TI-30Xa SOLAR School Edition
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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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Ti30xa School Edition.doc TI-30Xa SOLAR School Edition
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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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Ti30xa School Edition.doc TI-30Xa SOLAR School Edition
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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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Ti30xa School Edition.doc TI-30Xa SOLAR School Edition
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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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Ti30xa School Edition.doc TI-30Xa SOLAR School Edition
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One-Variable Statistics
" h Clears all statistical data.
4Enters a data point.
" a Removes a data point.
" \ Adds or removes multiple occurrences
of a data point.
Enter data point, press " \,
enter frequency (1–99), press 4to
add or " a to remove data points.
" c Sum.
" d Sum of squares.
" ] Mean.
" _ Population standard deviation
(nweighting).
" ^ Sample standard deviation (n-1
weighting).
" b Number of data points.

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Ti30xa School Edition.doc TI-30Xa SOLAR School Edition
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Find the sum, mean, population standard deviation,
and sample standard deviation for the data set: 45, 55,
55, 55, 60, 80. The last data point is erroneously
entered as 8, removed with " a, and then
correctly entered as 80.
" h (if STAT is displayed)
45 4n= 1
55 " \ 3 4n= 4
60 4n= 5
8 4n= 6
8 " a n= 5
80 4n= 6
" c (sum) 350.
" ] (mean) 58.33333333
" _ (deviation, nweighting) 10.67187373
" ^ (deviation, n-1 weighting) 11.69045194

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Ti30xa School Edition.doc TI-30Xa SOLAR School Edition
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Probability
A combination is an arrangement of objects in which
order is not important, as in a hand of cards. " i
calculates the number of possible combinations of n
items taken rat a time.
Calculate the number of 5-card poker hands that can
be dealt from a deck of 52 cards.
52 " i 5 J2598960.
A permutation is an arrangement of objects in which
the order is important, as in a race. " j
calculates the number of possible permutations of n
items taken rat a time.
Calculate the number of possible permutations for the
1st-, 2nd-, and 3rd-place finishers (no ties)in an 8-
horse race.
8 " j 3 J336.
A factorial is the product of the positive integers from 1
to n. (nmust be a positive whole number 69).
Using the digits 1, 3, 7, and 9 only one time each, how
many 4-digit numbers can you form?
4 " v 24.

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i30xa School Edition_Jan2005.doc TI-30Xa SOLAR Scho
ol
E
dition Bob Fedorisko Revised: 1/13/05 10:03 AM
P
rinted: 2/1/05 3:00 PM Page 12 of 23
Clearing and Correcting
&
Clears value (before operation key)
and
K
, but not
M1
,
M2
,
M3
, or
STAT
.
& &
Clears display, errors, all pending
operations and
K
, but not
M1
,
M2
,
M3
, or
S
TAT
.
} |
(battery) Clears display, errors, all pending
operations,
K
, and
STAT
, but not
M1
,
M
2
,
and
M3
. Sets
DEG
angle units, floating-
decimal format.
!
Clears display, errors, all pending
operations,
K
,
STAT
,
M1
,
M2
, and
M3
.
Sets
DEG
angle units, floating-decimal
format.
0
:
n
Clears memory
n
.
" n
Clears
SCI
or
ENG
notation.
" { N
Clears
FIX
notation.
" h
Clears all statistical data.
Constants (Repeated Operations)
A constant contains an operation and a value. To
establish a constant, press
" U
after entering the
operation and value.
J
repeats the calculation.
Another operation,
!
or
&
, clears
K
.
8
D
7
" U
K
7.
J
K
1
5.
5
J
K
1
2.
6.6
J
K
13
.6

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Ti30xa School Edition.doc TI-30Xa SOLAR School Edition
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Memory
The calculator has 3 memories. When a memory
contains a number other than 0, M1, M2, or M3 displays.
To clear a single memory, press 0 :1, 0 :2, or
0 :3. To clear all 3 memories, press !.
:nStores displayed value in memory
n, replacing current value.
23 :1 M1 23.
D2 JM1 25.
@nRecalls value in memory n.
(continued)
@1 M1 23.
D3 JM1 26.
" m nAdds displayed value to memory
n.
(continued)
4 " m 1 M1 4.
@1 M1 27.
" g nExchanges displayed and memory
values.
(continued)
3 85 JM1 15.
" g 1 M1 27.
" g 1 M1 15.

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Order of Operations
1st Expressions inside parentheses.
2nd Single-variable functions that perform the
calculation and display the result immediately
(square, square root, cube, cube root,
trigonometric, factorial, logarithmic, percent,
reciprocals, angle conversions).
3rd Combinations and permutations.
4th Exponentiation and roots.
5th Multiplication and division.
6th Addition and subtraction.
7th Jcompletes all operations.
The TI-30Xa uses AOSé(Algebraic Operating
System). It stores up to 4 pending operations (2 when
STAT is displayed).

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Ti30xa School Edition.doc TI-30Xa SOLAR School Edition
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Notation
" o Selects scientific notation.
12345 J12345.
" o SCI 1.2345 04
" p Selects engineering notation (exponent
is a multiple of 3).
(continued)
" p ENG 12.345 03
" n Restores standard notation (floating-
decimal) format.
" { nSets decimal places to n(0–9),
retaining notation format.
(continued)
" { 2 FIX 12.35 03
" { 4 FIX 12.3450 03
" { N Removes fixed-decimal setting.
5Enters exponent.
You can enter a value in floating-decimal, fixed-
decimal, or scientific notation, regardless of display
format. Display format affects only results.
To enter a number in scientific notation:
1. Enter up to 10 digits for base (mantissa). If
negative, press Oafter entering the mantissa.
2. Press 5.
3. Enter 1 or 2 digit exponent. If negative, press O
either before or after entering exponent.
1.2345 O 5 O 65 .1.2345 .65

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Ti30xa School Edition.doc TI-30Xa SOLAR School Edition
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Display Indicators
M1, M2, or M3 A value other than 0 in M1, M2, or M3.
2nd Calculator will access 2nd function
(printed above key) of next key pressed.
HYP Calculator will access hyperbolic function
of next key pressed.
SCI or ENG Scientific or engineering notation.
FIX Fixed-decimal setting.
STAT Statistical register contains data.
DEG, RAD, or
GRAD
Specifies angle-unit setting (degrees,
radians, or grads). When you turn on the
calculator, angle units are degrees.
xx-coordinate of polar to rectangular
conversion.
rr-coordinate of rectangular to polar
conversion.
( ) 1 or more open parentheses.
Error Error has occurred. Clear calculator and
begin again.
KConstant is active.

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Ti30xa School Edition.doc TI-30Xa SOLAR School Edition
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Error Conditions
¦Number, result, or memory sum x, where
|x| > 9.999999999 x 1099.
¦More than 4 pending operations (2 when STAT is
displayed) or more than 15 open parentheses per
pending operation.
¦For x!: xnot an integer between 0 and 69.
¦For yx: yand x= 0 or y< 0 and xnot an integer.
¦For x‡y: x= 0 or y< 0 and xnot an odd integer.
¦Dividing by 0.
¦For ‡x: x< 0.
¦For LOG or LN: x0.
¦For TAN: x=90¡, -90¡, 270¡, -270¡, 450¡, etc.
¦For SIN-1or COS-1: |x| > 1.
¦For TANH-1: |x| ‚1.
¦For R<P: xor yhas exponent > 63.
¦For nCr or nPr: nor rare not integers ‚0.
¦More than 9999 statistical data points.
¦Statistical data point x, where |x| ‚1E64.
¦" a to remove the only data point.
¦Calculating v, sxn, or sxn-1with no data points or
sxn-1with one data point.
¦" h with no data points.

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Ti30xa School Edition.doc TI-30Xa SOLAR School Edition
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In Case of Difficulty
Review instructions to be certain calculations were
performed properly.
TI-30Xa Solar
If the display is blank, expose the solar panel to
adequate light. Press !and try again.