TI-30Xa/30Xa Solar, English
www.ti.com/calc ti-cares@ti.com
TI-30Xa
and
TI-30Xa SOLAR
Scientific Calculators
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
Battery Replacement (TI
TI Product, Service, and Warranty Information
1997 Texas Instruments Incorporated
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30Xa)
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.
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15
16
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18
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Basic Operations
TI-30Xa (battery)
turns on the TI-30Xa.
¦ |
turns off the TI-30Xa and clears display,
¦ }
settings, and pending operations, but not memory.
APD™ (Automatic Power Down™) turns off the
¦
TI-30Xa automatically if no key is pressed for about
5 minutes, but does not clear display, settings,
pending operations, or memory.
Note:
operations, settings, and memory.
TI-30Xa Solar
To turn on the TI-30Xa Solar, expose the solar
¦
panel to light and press
!
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.
the 2nd function of the next key pressed. For example,
" t
2
after APD retrieves display, pending
|
. Note: Always press
to clear the calculator because memory and
calculates the cube of 2.
!
"
selects
2
Results
The calculator can display up to 10 digits plus a minus
9,999,999,999 through 9,999,999,999) and a
sign (
-
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.
Pi is calculated with 12 digits
(3.14159265359), displayed with 10
digits (3.141592654).
2
8 . J
J
), repeats the
K
8 O D 12
closes all open
J
J
120.
5.
6.283185307
3
Percents
Percentage (
250 8 5 "
J
Ratio (
Ratio of 250 to 5
250 2 5 "
J
Add-On (
250 D 5 "
J
Discount (
250 > 5 "
J
5% add-on of 250
5% discount of 250
5% of 250
u
u
u
u
)
0.05
12.5
)
0.05
5000.
)
12.5
262.5
)
12.5
237.5
4
Fractions
b F c Enters a proper or improper fraction,
a F b F c Enters the mixed fraction a b
" 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
b
c (b
6 digits, c { 3 digits). When
à
{
possible, improper fractions are
displayed as mixed numbers.
4 3
F
3
3 J 2
8
Single-variable functions display
decimal results.
2
1
F
0
(a, b, c
3 digits each, with the total
{
8).
digits
{
4 F 6 6
F
6
6
J
Toggles display between a mixed
number and an improper fraction.
4 30
F
30
7
" s
15
" s
" s
Toggles display between fraction and
decimal.
24 55
F
55
" y
" y
2.291666667
2
999.
{
1
c.
à
4
2
1
712
7
0.25
24
24
4
4
6
3
4
2
2
5
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
Logarithmic Functions
$
" R
%
" S
=2.71828182846)
e
(
15.32 $ 1.185258765
12.45 $
D
2 " R > 10 0
15.32 % 2.729159164
12.45 %
D
.693 " S 1.999705661
1
D
J
J
J
J
J
J
J
J
0.375
38.
18.
10.
6.
125.
2.
2.280428117
0.
5.250879787
2.999705661
6
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 degrees (0–7 digits)
. decimal-point separator
MM minutes (must be 2 digits)
SS seconds (must be 2 digits)
s fractional part of a second
For example, enter 48
Note: Before using a DMS value in a calculation, you
must convert it to decimal with
" q
" w
5'3.5" as 48.05035.
¡
" q
.
Interprets display as DMS and
converts it to decimal.
30.09090
" q
30.1525
Temporarily displays current value as
DMS.
30.1525
" w
30¡09'09"0
7
Rectangular to Polar
converts rectangular coordinates (
" k
polar coordinates (
Convert rectangular coordinates
(if necessary)
#
10 " [ 8
(display r)
" k
(display q)
" [
r,q
).
(
10,8) to polar.
DEG
DEG
DEG r
DEG
x,y
12.80624847
38.65980825
Polar to Rectangular
converts polar coordinates (r,q) to
" e
rectangular coordinates (
Convert polar coordinates (5,30) to rectangular.
(if necessary)
#
5 " [ 30
(display x)
" e
(display y)
" [
x,y
).
DEG
DEG
4.330127019
DEG x
DEG
) to
8
30
2.5
8
Trigonometric Functions
Before using the trigonometric functions (), *,
+, " V, " W
, or
DEG, RAD
with #. Note: Before using a DMS
GRAD
, or " X), select
value in a calculation, you must convert it to decimal
" q
with
(if necessary)
#
90 )
30
>
*
J
1 "
.5
>
J
V
.
DEG
DEG
DEG
DEG
DEG
DEG
0.866025404
0.133974596
1.
90.
89.5
Hyperbolic Functions
To access hyperbolic functions, press ( and then
the function (
"
Note:
calculations.
5 (
2
D
5 ( "
2
D
( ), ( *, ( +, (
V, ( " W, ( " X).
, or
DEG, RAD
)
J
V
J
does not affect hyperbolic
GRAD
74.20321058
76.20321058
2.312438341
4.312438341
9
One-Variable Statistics
" h
4
" a
" \
" c
" d
" ]
" _
" ^
" b
Clears all statistical data.
Enters a data point.
Removes a data point.
Adds or removes multiple occurrences
of a data point.
Enter data point, press
enter frequency (1–99), press
add or
Sum.
Sum of squares.
Mean.
Population standard deviation
weighting).
n
(
Sample standard deviation (n-1
weighting).
Number of data points.
to remove data points.
" a
" \
4
,
to
10
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
, and then correctly entered
8, removed with
" a
as 80.
STAT
(if
" h
45
4
" \
55
4
60
4
8
" a
8
4
80
" c
" ]
" _
" ^
is displayed)
n= 1
3
4
n= 4
n= 5
n= 6
n= 5
n= 6
(sum)
(mean)
(deviation, n weighting)
(deviation, n-1 weighting)
350.
58.33333333
10.67187373
11.69045194
11
Probability
A combination is an arrangement of objects in which
order is not important, as in a hand of cards.
calculates the number of possible combinations of
items taken
at a time.
r
Calculate the number of 5-card poker hands that can be
dealt from a deck of 52 cards.
52 " i 5
J
" i
n
2598960.
A permutation is an arrangement of objects in which
the order is important, as in a race.
the number of possible permutations of
at a time.
" j
items taken
n
calculates
r
Calculate the number of possible permutations for the
(
1st-, 2nd-, and 3rd-place finishers
no ties) in an 8-
horse race.
8 " j 3
A factorial is the product of the positive integers from 1
n
to
J
. (n must be a positive whole number 69).
336.
Using the digits 1, 3, 7, and 9 only one time each, how
many 4-digit numbers can you form?
4 "
v
12
24.
Clearing and Correcting
(battery)
|
(solar)
&
| |
(battery)
& &
} |
(battery)
Clears value (before operation key)
, but not M1, M2, M3, or
and
K
STAT
Clears display, errors, all pending
operations and
(solar)
STAT
.
, but not M1, M2, M3, or
K
Clears display, errors, all pending
operations,
. Sets
and
M3
, and
K
, but not M1, M2,
STAT
angle units, floating-
DEG
decimal format.
(solar)
!
Clears display, errors, all pending
operations,
Sets
K, STAT, M1, M2
angle units, floating-decimal
DEG
, and M3.
format.
L
Deletes right-most character in
display.
0 :
" n
" { N
" h
Clears memory n.
n
Clears
SCI
Clears
FIX
Clears all statistical data.
or
notation.
ENG
notation.
Constants (Repeated Operations)
.
A constant contains an operation and a value. To
establish a constant, press
operation and value.
Another operation,
(battery) clears K.
|
8 D 7 "
U
repeats the calculation.
J
(solar), & (solar), or
!
J
J
5
6.6
J
after entering the
" U
K
K
K
K
7.
15.
12.
13.6
13
Memory
(
d)
(
d)
(
d)
The calculator has 3 memories. When a memory
displays.
contains a number other than 0,
To clear a single memory, press 0
3. To clear all 3 memories (solar only), press
0
:
.
!
:
n
@
n
" m
Stores displayed value in memory
, replacing current value.
n
23
:
2
D
J
Recalls value in memory n.
continue
1
@
3
D
J
Adds displayed value to memory n.
n
continue
4 " m 1
1
@
" g
Exchanges displayed and memory
n
, or
M1, M2
M3
1, 0 : 2, or
:
1
M1
M1
M1
M1
M1
M1
23.
25.
23.
26.
4.
27.
values.
continue
3 8 5
J
" g
" g
1
1
M1
M1
M1
15.
27.
15.
14
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
The TI-30Xa uses AOSé (Algebraic Operating System). It stores up to 4 pending operations (2 when
is displayed).
completes all operations.
J
STAT
15
Notation
(
d)
(
d)
" o
" p
" n
" {
" { N
5
You can enter a value in floating-decimal, fixeddecimal, 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
2. Press
3. Enter 1 or 2 digit exponent. If negative, press
either before or after entering exponent.
1.2345 O 5 O 65
Selects scientific notation.
12345
12345.
J
" o
SCI
1.2345
Selects engineering notation (exponent
is a multiple of 3).
continue
" p
ENG
12.345
Restores standard notation (floatingdecimal) format.
nSets decimal places to n (0–9),
retaining notation format.
continue
" {
" {
2
4
FIX
FIX
12.35
12.3450
Removes fixed-decimal setting.
Enters exponent.
after entering the mantissa.
O
.
5
1.2345 .65
.
04
03
03
03
O
16
Display Indicators
x
, or M3A value other than 0 in
M1, M2
2nd
HYP
or
SCI
FIX
STAT
DEG, RAD
GRAD
x
r
( )
Error
K
Calculator will access 2nd function
(printed above key) of next key pressed.
Calculator will access hyperbolic function
of next key pressed.
Scientific or engineering notation.
ENG
Fixed-decimal setting.
Statistical register contains data.
, or
Specifies angle-unit setting (degrees,
radians, or grads). When you turn on the
calculator, angle units are degrees.
-coordinate of polar to rectangular
conversion.
-coordinate of rectangular to polar
r
conversion.
1 or more open parentheses.
Error has occurred. Clear calculator and
begin again.
Constant is active.
M1, M2
, or M3.
17
Error Conditions
¦
Number, result, or memory sum x, where
| > 9.999999999 x 1099.
|
x
¦
More than 4 pending operations (2 when
displayed) or more than 15 open parentheses per
pending operation.
¦
For x!: x not an integer between 0 and 69.
¦
For yx: y and
x
‡
¦
For
¦
Dividing by 0.
¦
For ‡x:
¦
For LOG or LN: x 0.
¦
For TAN: x=90¡, -90¡, 270¡, -270¡, 450¡, etc.
¦
For SIN
¦
For TANH-1: |x| ‚ 1.
¦
For R<P: x or
¦
For nCr or nPr: n or r are not integers ‚ 0.
¦
More than 9999 statistical data points.
¦
Statistical data point x, where |x| ‚ 1E64.
¦
" a
¦
Calculating v, sxn, or sxn
sxn-
1
¦
" h
= 0 or
< 0 and
x
y
y:
= 0 or
x
x
1
-
or COS
to remove the only data point.
with one data point.
< 0 and
y
< 0.
1
-
: |x| > 1.
y
has exponent > 63.
with no data points.
x
not an odd integer.
x
-
1
with no data points or
is
STAT
not an integer.
18
In Case of Difficulty
Review instructions to be certain calculations were
performed properly.
TI-30Xa (battery)
If the display is blank, check for improperly installed
batteries. Press
TI-30Xa Solar
If the display is blank, expose the solar panel to
adequate light. Press
and try again.
|
!
and try again.
19
Battery Replacement (TI.30Xa)
1. Remove slide cover. Place calculator face down.
2. Using a small Phillips screwdriver, remove screws
from back case.
3. Remove back case.
4. Remove discharged batteries.
Caution: Avoid contact with other calculator
components while changing batteries.
5. Install new batteries positive side up, as shown on
diagram inside case.
6. Replace back case, and then replace screws.
} | |
7. Press
Caution: Dispose of old batteries properly. Do not
incinerate batteries or leave where a child can find
them.
Your calculator cannot hold data in memory when
batteries are removed or become discharged.
.
20
TI Product, Service, and Warranty Information
TI Product and Services Information
For more information about TI products and services,
contact TI by e-mail or visit the TI calculator home page
on the world-wide web.
e-mail address:
internet address:
Service and Warranty Information
For information about the length and terms of the
warranty or about product service, refer to the warranty
statement enclosed with this product or contact your
local Texas Instruments retailer/distributor.
ti-cares@ti.com
http://www.ti.com/calc
21
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