Texas Instruments 30XA Manuale utente
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
P
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
1
Ti30xa School Edition.doc TI-30Xa SOLAR School Edition
Bob Fedorisko Revised: 05/16/03 9:26 AM Printed:
05/16/03 9:32 AM Page 1 of 23
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
2
Ti30xa School Edition.doc TI-30Xa SOLAR School Edition
Bob Fedorisko Revised: 05/16/03 9:26 AM Printed:
05/16/03 9:32 AM Page 2 of 23
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.
3
Ti30xa School Edition.doc TI-30Xa SOLAR School Edition
Bob Fedorisko Revised: 05/16/03 9:26 AM Printed:
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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
4
Ti30xa School Edition.doc TI-30Xa SOLAR School Edition
Bob Fedorisko Revised: 05/16/03 9:26 AM Printed:
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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
5
Ti30xa School Edition.doc TI-30Xa SOLAR School Edition
Bob Fedorisko Revised: 05/16/03 9:26 AM Printed:
05/16/03 9:32 AM Page 5 of 23
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)
6
Ti30xa School Edition.doc TI-30Xa SOLAR School Edition
Bob Fedorisko Revised: 05/16/03 9:26 AM Printed:
05/16/03 9:32 AM Page 6 of 23
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
7
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
8
Ti30xa School Edition.doc TI-30Xa SOLAR School Edition
Bob Fedorisko Revised: 05/16/03 9:26 AM Printed:
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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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