Texas instruments TI-30 eco RS User Manual
TI-30 eco RS English
Scientific Calculator
Basic Operations
Results
Basic Arithmetic
Percents
Fractions
Powers and Roots
Logarithmic Functions
Angle Units
DMS
.............................................
Rectangular to Polar
Polar to Rectangular
Trigonometric Functions
Hyperbolic Functions
One-Variable Statistics
Probability
Clearing and Correcting
Constants (Repeated Operations)
Memory
Order of Operations
Notation
Display Indicators
Error Conditions
In Case of Difficulty
.................................
..........................................
..................................
.........................................
.........................................
................................
............................
.......................................
..............................
..............................
..........................
.............................
............................
........................................
...........................
.................
..........................................
...............................
..........................................
.................................
..................................
...............................
TI Product Service and Warranty Information
1997, 1999, 2003 Texas Instruments Incorporated
.......
2
2
2
3
3
4
5
5
5
6
6
7
7
7
9
10
10
11
12
13
14
15
16
16
1-ENG
Basic Operations
TI-30 eco RS
To turn on the TI-30 eco RS, expose the solar panel
¦
to light and 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.
the 2nd function of the next key pressed. For example,
2
calculates the cube of 2.
" t
!
Note:
.
Always press
"
selects
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
J
O
6 7
60 D 5 8 12
Completes all pending operations.
With constant (
operation and value.
Changes sign of value just entered.
1
D
Parenthetical expression (up to 15
open).
parentheses.
J
), repeats the
K
8 O D 12
closes all open
J
J
120.
5.
2-ENG
.
Percents
Percentage
5 "
250
8
J
Pi is calculated with 12 digits
(3.14159265359), displayed with 10
digits (3.141592654).
2
5% of 250
(
u
8 . J
)
6.283185307
0.05
12.5
Ratio of 250 to 5
(
Ratio
5 "
250
2
J
(
Add-On
5 "
250
D
J
Discount
250
5 "
>
J
5% add-on of 250
5% discount of 250
(
u
u
u
)
0.05
5000.
)
12.5
262.5
)
12.5
237.5
Fractions
b F c Enters a proper or improper fraction,
6 digits,
à
{
c (b
b
possible, improper fractions are
displayed as mixed numbers.
3
4
F
3 J
8
Single-variable functions display
decimal results.
1
2
F
0
3-ENG
3 digits). When
{
c
2
3
1
0.25
4
4
a F b F c Enters the mixed fraction
" s
" y
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
3 digits each, with the total
(
{
a, b, c
digits
8).
{
6
4 F 6
F
J
Toggles display between a mixed
number and an improper fraction.
30
4
F
" s
" s
" s
Toggles display between fraction and
decimal.
55
24
F
" y
" y
{
.
à
a b
c
4
6
2
6
30
1
7
15
712
55
2.291666667
7
2
999.
6
3
4
2
2
24
24
Powers and Roots
/
0
1
" t
" z
,
" Y
8 / D 4 /
6 0 D 2
256 1 D 4 1
2 " t D 2
8 " z D 4
5 , 3
8 " Y 3
J
J
J
J
0.375
38.
J
J
J
18.
10.
6.
125.
2.
4-ENG
Logarithmic Functions
$
" R
%
" S
15.32 $
12.45 $
D
2 " R > 10 0
15.32 %
12.45 %
D
.693 " S
1
D
(e=2.71828182846)
J
J
J
1.185258765
2.280428117
J
2.729159164
5.250879787
1.999705661
2.999705661
0.
Angle Units
#
" Q
Cycles angle-unit setting between
degrees, radians, and grads
without affecting displayed number.
Cycles (converts) angle-unit setting
between degrees, radians, and
grads for display, entry, and
calculation.
45
" Q
" Q
" Q
DEG
0.785398163
RAD
GRAD
DEG
45
50.
45.
DMS
Enter DMS (Degrees/Minutes/Seconds) values as
D.MMSSs
, using 0s as necessary:
D
.
MM
SS
s
degrees (0–7 digits)
decimal-point separator
minutes (must be 2 digits)
seconds (must be 2 digits)
fractional part of a second
5-ENG
Loading...