Texas Instruments TI-30 eco RS User manual

1-ENG
30eco_eng_f_d_nl_fin.doc TI-30 eco RS, Config 1: Eng Deu
Fra Nld Bob Fedorisko Revised: 10/21/03 11:06 AM
Printed: 10/21/03 11:18 AM Page 1 of 80
TI-30 eco RS English
Scientific Calculator
Basic Operations
.................................
2
Results
..........................................
2
Basic Arithmetic
..................................
2
Percents
.........................................
3
Fractions
.........................................
3
Powers and Roots
................................
4
Logarithmic Functions
............................
5
Angle Units
.......................................
5
DMS
.............................................
5
Rectangular to Polar
..............................
6
Polar to Rectangular
..............................
6
Trigonometric Functions
..........................
7
Hyperbolic Functions
.............................
7
One-Variable Statistics
............................
7
Probability
........................................
9
Clearing and Correcting
...........................
10
Constants (Repeated Operations)
.................
10
Memory
..........................................
11
Order of Operations
...............................
12
Notation
..........................................
13
Display Indicators
.................................
14
Error Conditions
..................................
15
In Case of Difficulty
...............................
16
TI Product Service and Warranty Information
.......
16

1997, 1999, 2003 Texas Instruments Incorporated

2-ENG
30eco_eng_f_d_nl_fin.doc TI-30 eco RS, Config 1: Eng Deu
Fra Nld Bob Fedorisko Revised: 10/21/03 11:06 AM
Printed: 10/21/03 11:18 AM Page 2 of 80
Basic Operations
TI-30 eco RS
¦
To turn on the TI-30 eco RS, 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-30X eco RS, 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.
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 > 8 2
60
D
5
8
12
J
120.
J
Completes all pending operations.
With constant (K), repeats the
operation and value.
O
Changes sign of value just entered.
1
D
8
O D
12
J
5.
6 7
Parenthetical expression (up to 15
open).
J
closes all open
parentheses.

3-ENG
30eco_eng_f_d_nl_fin.doc TI-30 eco RS, Config 1: Eng Deu
Fra Nld Bob Fedorisko Revised: 10/21/03 11:06 AM
Printed: 10/21/03 11:18 AM Page 3 of 80
.
Pi is calculated with 12 digits
(3.14159265359), displayed with 10
digits (3.141592654).
2
8 . J
6.283185307
Percents
Percentage (
5% of 250 )
250
8
5
" u
0.05
J
12.5
Ratio (
Ratio of 250 to 5 )
250
2
5
" u
0.05
J
5000.
Add-On (
5% add-on of 250 )
250
D
5
" u
12.5
J
262.5
Discount (
5% discount of 250 )
250
>
5
" u
12.5
J
237.5
Fractions
b
F
c Enters a proper or improper fraction,
b
à
c (b
{
6 digits, c
{
3 digits). When
possible, improper fractions are
displayed as mixed numbers.
3
F
4 3

4
8
3
J
2

1

4
Single-variable functions display
decimal results.
1
F
2
0
0.25

4-ENG
30eco_eng_f_d_nl_fin.doc TI-30 eco RS, Config 1: Eng Deu
Fra Nld Bob Fedorisko Revised: 10/21/03 11:06 AM
Printed: 10/21/03 11:18 AM Page 4 of 80
a
F
b
F
c Enters the mixed fraction a b
à
c.
(a, b, c
{
3 digits each, with the total
digits
{
8).
6
F
4
F
6 6

4

6
J
6

2

3
" s
Toggles display between a mixed
number and an improper fraction.
30
F
4 30

4
" s
7

1

2
" s
15

2
" s
7

1

2
" y
Toggles display between fraction and
decimal.
55
F
24 55

24
" y
2.291666667
" y
2

7

24
If a result would overflow or if fixed decimal is 0, no
fraction to decimal conversion occurs. It is not an error.
Denominator must be a whole number
{
999.
Powers and Roots
/
8
/ D
4
/ J
0.375
0
6
0 D
2
J
38.
1
256
1 D
4
1 J
18.
" t
2
" t D
2
J
10.
" z
8
" z D
4
J
6.
,
5
,
3
J
125.
" Y
8
" Y
3
J
2.

5-ENG
30eco_eng_f_d_nl_fin.doc TI-30 eco RS, Config 1: Eng Deu
Fra Nld Bob Fedorisko Revised: 10/21/03 11:06 AM
Printed: 10/21/03 11:18 AM Page 5 of 80
Logarithmic Functions
$
15.32
$
1.185258765
D
12.45
$ J
2.280428117
" R
2
" R >
10
0 J
0.
%
15.32
%
2.729159164
D
12.45
% J
5.250879787
" S
.693
" S
1.999705661
D
1
J
2.999705661
(
e
=2.71828182846)
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 digits)
SS seconds (must be 2 digits)
sfractional part of a second

6-ENG
30eco_eng_f_d_nl_fin.doc TI-30 eco RS, Config 1: Eng Deu
Fra Nld Bob Fedorisko Revised: 10/21/03 11:06 AM
Printed: 10/21/03 11:18 AM Page 6 of 80
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
"
Temporarily displays current value as
DMS.
30.1525
"
30
¡
09'09"0
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

7-ENG
30eco_eng_f_d_nl_fin.doc TI-30 eco RS, Config 1: Eng Deu
Fra Nld Bob Fedorisko Revised: 10/21/03 11:06 AM
Printed: 10/21/03 11:18 AM Page 7 of 80
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
J
DEG 0.133974596
1
" V
DEG 90.
>
.5
J
DEG 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
D
2
J
76.20321058
5
( " V
2.312438341
D
2
J
4.312438341
One-Variable Statistics
" h
Clears all statistical data.
4
Enters a data point.
" a
Removes a data point.
" \
Adds or removes multiple occurrences

8-ENG
30eco_eng_f_d_nl_fin.doc TI-30 eco RS, Config 1: Eng Deu
Fra Nld Bob Fedorisko Revised: 10/21/03 11:06 AM
Printed: 10/21/03 11:18 AM Page 8 of 80
of a data point.
Enter data point, press
" \
,
enter frequency (1–99), press
4
to
add or
" a
to remove data points.
" c
Sum.
" d
Sum of squares.
" ]
Mean.
" _
Population standard deviation
(n
weighting).
" ^
Sample standard deviation (
n-
1
weighting).
" b
Number of data points.
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
4
n= 1
55
" \
3
4
n= 4
60
4
n= 5
8
4
n= 6
8
" a
n= 5
80
4
n= 6
" c
(sum) 350.
" ]
(mean) 58.33333333
" _
(deviation,
n
weighting) 10.67187373
" ^
(deviation,
n-
1 weighting) 11.69045194

9-ENG
30eco_eng_f_d_nl_fin.doc TI-30 eco RS, Config 1: Eng Deu
Fra Nld Bob Fedorisko Revised: 10/21/03 11:06 AM
Printed: 10/21/03 11:18 AM Page 9 of 80
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
r
at a time.
Calculate the number of 5-card poker hands that can be
dealt from a deck of 52 cards.
52
" i
5
J
2598960.
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
r
at 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
J
336.
A factorial is the product of the positive integers from 1
to
n
. (
n
must 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.

10-ENG
30eco_eng_f_d_nl_fin.doc TI-30 eco RS, Config 1: Eng Deu
Fra Nld Bob Fedorisko Revised: 10/21/03 11:06 AM
Printed: 10/21/03 11:18 AM Page 10 of 80
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
STAT.
!
Clears display, errors, all pending
operations, K, STAT, M1, M2, and M3.
Sets DEG angle units, floating-decimal
format.
L
Deletes right-most character in
display.
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
K7.
J
K15.
5
J
K12.
6.6
J
K13.6