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This guide will show, step by step, the battery replacement for the TI-30Xa scientific calculator. Texas Instruments TI-30Xa is a scientific calculator that's incredibly simple to use and amazingly cheap. Read our review for specs, pros, and cons. Complete user manual available online. Review Of The HP Prime Graphing Calculator Sep 30, 2018. 7 Best Calculator Watches for the Nerd Inside Sep 3, 2018.
The original TI-30
The TI-30 was a scientific calculator manufactured by Texas Instruments, the first model of which was introduced in 1976. While the original TI-30 left production in 1983 after several design revisions, TI maintains the TI-30 designation as a branding for its low and mid-range scientific calculators.
Price[edit]
The original TI-30 was notable for its very low cost for the time, around US$25. This was much less than the retail prices of other scientific calculators of the era; for example, Hewlett-Packard's cheapest scientific calculator at the time was still well over $100. The Casio FX-20, another popular scientific calculator, sold for roughly double the price of the TI-30. The TI-30 sold for less than the cost of a professional-grade slide rule. The TI-30 sold an estimated 15 million units during its lifespan from 1976–1983.[citation needed]
Description[edit]
LED display digits of the original TI-30
The original TI-30, a cost-reduced but functionally equivalent version of TI's SR-40 unit, utilized an LED display, was powered by a 9-volt battery, and contained nearly all of its functionality in one chip, where previous calculators used many discrete components. The TI-30 could perform nearly all the logarithmic and trigonometric functions of an HP-21, its primary competition at the time. Although the Texas Instruments SR-50 pioneered algebraic notation with operation precedence in 1974, the TI-30 made those features available at a more affordable price.
Early production TI-30 units (c. 1976) contained a logic error in their calculation of inverse tangents. On these early models, pressing '0 INV TAN' would cause the calculator to go into an infinite loop until it was powered off with the OFF button. The '0' had to be pressed on the keyboard; the calculator produced a correct answer if the '0' was the result of a previous calculation.
The TI-30 was at one point the most popular scientific calculator for junior high and high school use in the United States. For $24.95, the purchaser received both the calculator and a 224-page book, The Great International Math on Keys Book, which covered basics in algebra, business and finance, trigonometry, probability and statistics, physics and chemistry, and had ideas for games and puzzles that could be played with the calculator.
In 1980, Texas Instruments converted the TI-30 to use a liquid crystal display, releasing the TI-30 LCD in Europe and the TI-30 II a year later in the U.S. The calculator itself remained functionally similar over several redesigns in the following few years, with solar power coming to the line in 1982 in a joint venture with Toshiba. The 'X' in all current TI-30 models refers to the addition of a 10+2 display (that is, a 10 digit mantissa plus a 2-digit exponent) in 1993; with the addition of a 2-line display and a D-pad in the XIIS/XIIB in 1999, the TI-30 line split in 2, with the TI-30Xa becoming TI's overall entry-level scientific, and the enhanced XII designs offering more input flexibility to the user. The MultiView models, introduced in 2006 and 2007, replace the 2-line display with a dot matrix display similar to a graphing calculator, and move many of the functions traditionally placed on or next to individual calculator keys off onto menus very similar to those used on the popular TI-83 calculator line.
At one time or another, most models in the line since the introduction of the LCD models have been available in both solar powered and battery versions; the Xa retains solar power only on models sold in a few markets in Europe, while the XIIS and XS MultiView models run off both solar and battery power depending on available ambient light. The earliest model, however, ran off of a 9 volt battery, and was said[by whom?] to drain the battery quite quickly, creating a market in aftermarket rechargeable battery upgrades.
TI-30 models[edit]
Demonstration of the so-called 'logarithm bug' that exists in some TI-30 models. In both cases, the value of ln(1.0000001) was calculated.
- TI-30 (1976): first version; LED display
- TI-30 LCD (1980): the first LCD version. European market only.
- TI-30 II (1981): slimline format with the TI-30 key layout
- TI-30 III (1984)
- TI-30 SLR (1982): with Toshiba calculating chip. It had 9 digits of calculating precision. (US units had 11 digits at that time.)
- TI-30 SLR+ (1987): solar
- TI-30 Stat (1988): added basic statistical functions
- TI-30 Galaxy: part of a line of landscape format calculators from the mid-1980s
- TI-30X (1993): the X signifies an expanded 10 digit display (from the original 8). Switching to a new circuit board design introduced a logarithm bug.[1]
- TI-30Xa (1994): added the constant key to the TI-30X
- TI-30Xa (rev 1996): introduced a more modern, smoothed design. Currently the bottom of the TI-30 line, the Xa has a standard one-line, 10+2 digit display. The solar-powered eco RS model is available only in Europe.
- TI-30Xa Solar School Edition (2004): a modified version of the TI-30Xa, without the fraction buttons. This calculator is approved for Virginia State Testing.[citation needed]
- TI-30X IIS and TI-30X IIB (1999): added a two-line, scrollable display and a D-pad for navigating previous results. Solar/battery and battery powered respectively.
- TI-30XS and TI-30XB MultiView (2007): first non-graphing TI calculators with a dot-matrix display; able to display expressions in textbook-style notation. Uses a command syntax similar to TI-BASIC, but with no programming capability.
- TI-30X Pro MultiView and TI-36X Pro (2011): In addition to the features TI-30XS and TI-30XB MultiView, it features a solver, availability to calculate matrices, vectors, complex numbers and convert different units. The TI-36X Pro is the American and international version of the European model, the TI-30X Pro MultiView. The TI-30X Pro MultiView was released in 2010 and then promptly recalled because of programming errors. It was re-released in 2011.[citation needed]
- TI-30XA (2013): retained the size and shape of the 1996 model, having buttons rounded on the bottom, and the color of the '2nd' button changed from yellow to green. With introduction of a new circuit board in 2015 the logarithm bug was fixed,[2] also the calculator switched to using just one 1.5V battery instead of two.
- TI-30X Plus MultiView (2015): a TI-30X Pro MultiView without certain advanced features. Only released in Germany, Austria, and Switzerland to meet the requirements of certain high schools that ban the removed features.
- TI-30X Pro MathPrint™ and TI-30X Plus MathPrint™ (2018): successors of TI-30X Pro MultiView/TI-36X Pro and TI-30X Plus MultiView. Both have a modern design, a higher resolution display and some other improvements.
- Original TI-30 model (ca. 1979) with LED display
- TI-30 Stat
- TI-30 Galaxy
- TI-30X SOLAR
- TI-30X IIS
- TI-30XA (since 2013)
- TI-30X Pro MathPrint (2018)
- A TI-30 next to its carrying case, with a modern TI nSpire beside it
References[edit]
- ^'Texas Instruments TI-30X at DataMath calculator museum'. Retrieved 10 May 2017.
- ^'Texas Instruments TI-30XA at DataMath calculator museum'. Retrieved 10 May 2017.
External links[edit]
- The Great International Math on Keys book is a problem-solving guide exemplifying usage of electronic calculators, in particular TI-30 with Algebraic Operating System, developed by the staff of the Texas Instruments Learning Center in cooperation with the staff of the University of Denver Mathematics Laboratory in 1976.
Retrieved from 'https://en.wikipedia.org/w/index.php?title=TI-30&oldid=930186636'
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ENG 30X
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Page 2
Statistics
%tw
v
u
1-VAR
analyzes statistical data from 1 data set with 1
measured variable,
x.
2-VAR
stats analyzes paired data
from 2 data sets with 2 measured variables--
x, the
independent variable, and
y, the dependent variable. You
can enter up to 42 data sets.
To define statistical data points:
1. Press
1. Press
%
t
. Select
1-VAR
or
and press
<
. The
STAT
indicator displays.
2. Press
v
.
3. Enter a value for
X
1
.
4. Press
$
.
¦
In
1-VAR
stat mode, enter the frequency of occurrence
(
FRQ
) of the data point.
FRQ
default=1. If
FRQ
=0, the
data point is ignored.
¦
In
2-VAR
stat mode, enter the value for
Y
1
and press
<
.
5. Repeat steps 3 and 4 until all data points are entered.
You must press
<
or
$
to save the last data point
or
FRQ
value entered. If you add or delete data points,
the TI-30X
Ö
automatically reorders the list.
6. When all points and frequencies are entered:
¦
Press
u
to display the menu of variables (see
table for definitions) and their current values, or
¦
Press
v
to return to the blank
STAT
screen. You
can do calculations with data variables (
П
,
Р
, etc.).
Select a variable from the
u
menu and then
press
<
to evaluate the calculation.
7. When finished:
¦
Press
%
t
and select
CLRDATA
to clear all data
points without exiting
STAT
mode, or
¦
Press
%
w
<
to clear all data points,
Ti 81 Calculator Manual
variable and
FRQ
values, and to exit
STAT
mode (
STAT
indicator turns off).
Variables
Definition
n
Number of
x or (x,y) data points.
Ï
or
Ð
Mean of all
x or y values.
Sx or Sy
Sample standard deviation of
x or y.
Î
x or
Î
y
Population standard deviation of
x or y.
Ò
x or
Ò
y
Sum of all
x or y values.
Ò
x
2
or
Ò
y
2
Sum of all
x
2
or
y
2
values.
Ò
xy
Sum of (
x
…
y) for all xy pairs.
a
Linear regression slope.
b
Linear regression
y-intercept.
r
Correlation coefficient.
x
¢
(
2-VAR
)
Uses
a and b to calculate predicted x value
when you input a
y value.
y
¢
(
2-VAR
)
Uses
a and b to calculate predicted y value
when you input an
x value.
Probability
H
nPr
Calculates the number of possible permutations
of
of
n items taken r at a time, given n and r. The
order of objects is important, as in a race.
nCr
Calculates the number of possible combinations
of
of
n items taken r at a time, given n and r. The
order of objects is not important, as in a hand of
cards.
cards.
!
A factorial is the product of the positive integers
from 1 to
from 1 to
n. n must be a positive whole number
69.
RAND
Generates a random real number between 0 and
1. To control a sequence of random numbers,
store an integer (seed value)
1. To control a sequence of random numbers,
store an integer (seed value)
‚
0 to rand. The
seed value changes randomly every time a
random number is generated.
random number is generated.
RAND
[
Generates a random integer between 2 integers,
A
and
B, where A
{
RAND
[
{
B. Separate the 2
integers with a comma.
Errors
ARGUMENT
— A function does not have the correct number
of arguments.
DIVIDE BY 0
—
¦
You attempted to divide by 0.
¦
In statistics, n=1.
DOMAIN
— You specified an argument to a function outside
the valid range. For example:
¦
For x
‡
: x = 0 or y < 0 and x not an odd integer.
¦
For yx: y and x = 0; y < 0 and x not an integer.
¦
For
‡
x: x < 0.
¦
For LOG or LN: x
0.
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¦
For TAN: x = 90
¡
, -90
¡
, 270
¡
, -270
¡
, 450
¡
, etc.
¦
For SIN
-
1 or COS
-
1: |x| > 1.
¦
For nCr or nPr: n or r are not integers
‚
0.
¦
For x!: x is not an integer between 0 and 69.
EQUATION LENGTH ERROR
— An entry exceeds the digit
limits (88 for Entry Line and 47 for Stat or Constant Entry
lines); for example, combining an entry with a constant that
exceeds the limit.
lines); for example, combining an entry with a constant that
exceeds the limit.
FRQ DOMAIN
—
FRQ
value (in
1-VAR
stats) < 0 or >99, or
not an integer.
OVERFLOW
— |
q
|
‚
1
¯
10, where
q
is an angle in a trig,
hyperbolic, or R
4
Pr( function.
STAT
—
¦
Pressing
u
with no defined data points.
¦
When not in STAT mode, pressing
v
,
u
, or
%
w
.
SYNTAX
— The command contains a syntax error: entering
more than 23 pending operations or 8 pending values; or
having misplaced functions, arguments, parentheses, or
commas.
having misplaced functions, arguments, parentheses, or
commas.
Battery Replacement
1. Using a small Phillips screwdriver, remove screws from
back case.
2. Remove protective cover. Starting from the bottom,
carefully separate front from back. Caution: Be careful
not to damage any internal parts.
not to damage any internal parts.
3. Using a small Phillips screwdriver (if necessary),
remove old battery; replace with new one.
Caution: Avoid contact with other TI-30X
Ö
components
while changing the battery.
4. If necessary, press
&
and
-
at the same time to
reset the TI-30X
Ö
(clears memory and all settings).
Caution: Dispose of old batteries properly. Do not
incinerate batteries or leave where a child can find them.
incinerate batteries or leave where a child can find them.
In Case of Difficulty
Review instructions to be certain calculations were
performed properly.
performed properly.
Press
&
and
-
at the same time. This clears all
memory and settings.
Check the battery to ensure that it is fresh and properly
installed.
installed.
Change the battery when:
¦ &
does not turn the unit on, or
¦
The screen goes blank, or
¦
You get unexpected results.
To continue using the TI-30X
×
S (Battery/Solar)
†
until
you can change the battery:
1. Expose the solar panel to brighter light.
2. Press
1. Expose the solar panel to brighter light.
2. Press
&
and
-
at the same time to reset the
calculator. This clears all settings and memory.
†
Operates in well-lit areas using solar cell. Operates in
other light settings using battery.
TI Product Service and Warranty Information
Product Support
Customers in the U.S., Canada, Puerto Rico, and the Virgin
Islands
Islands
For general questions, contact Texas Instruments Customer
Support:
Support:
phone:
1
.
800
.
TI
.
CARES
(1
.
800
.
842
.
2737)
e-mail:
For technical questions, call the Programming Assistance Group of
Customer Support: Cisco ip phone 7960 series user manual windows.
Customer Support: Cisco ip phone 7960 series user manual windows.
phone:
1
.
972
.
917
.
8324
Customers outside the U.S., Canada, Puerto Rico, and the
Virgin Islands
Virgin Islands
Contact TI by e-mail or visit the TI calculator home page on the
World Wide Web.
World Wide Web.
e-mail:
Internet:
www.ti.com/calc
Product Service
Customers in the U.S. and Canada Only
Always contact Texas Instruments Customer Support before
returning a product for service.
returning a product for service.
Customers outside the U.S. and Canada
Refer to the leaflet enclosed with this product or contact your local
Texas Instruments retailer/distributor.
Texas Instruments retailer/distributor.
Other TI Products and Services
Visit the TI calculator home page on the World Wide Web.
www.ti.com/calc
Warranty Information
Customers in the U.S. and Canada Only
One-Year Limited Warranty for Electronic Product
This Texas Instruments (“TI”) electronic product warranty extends
only to the original purchaser and user of the product.
only to the original purchaser and user of the product.
Warranty Duration. This TI electronic product is warranted to the
original purchaser for a period of one (1) year from the original
purchase date.
original purchaser for a period of one (1) year from the original
purchase date.
Warranty Coverage. This TI electronic product is warranted against
defective materials and construction. THIS WARRANTY IS VOID IF
THE PRODUCT HAS BEEN DAMAGED BY ACCIDENT OR
UNREASONABLE USE, NEGLECT, IMPROPER SERVICE, OR
OTHER CAUSES NOT ARISING OUT OF DEFECTS IN
MATERIALS OR CONSTRUCTION.
defective materials and construction. THIS WARRANTY IS VOID IF
THE PRODUCT HAS BEEN DAMAGED BY ACCIDENT OR
UNREASONABLE USE, NEGLECT, IMPROPER SERVICE, OR
OTHER CAUSES NOT ARISING OUT OF DEFECTS IN
MATERIALS OR CONSTRUCTION.
Warranty Disclaimers. ANY IMPLIED WARRANTIES ARISING
OUT OF THIS SALE, INCLUDING BUT NOT LIMITED TO THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
FOR A PARTICULAR PURPOSE, ARE LIMITED IN DURATION
TO THE ABOVE ONE-YEAR PERIOD. TEXAS INSTRUMENTS
SHALL NOT BE LIABLE FOR LOSS OF USE OF THE PRODUCT
OR OTHER INCIDENTAL OR CONSEQUENTIAL COSTS,
EXPENSES, OR DAMAGES INCURRED BY THE CONSUMER OR
ANY OTHER USER.
OUT OF THIS SALE, INCLUDING BUT NOT LIMITED TO THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
FOR A PARTICULAR PURPOSE, ARE LIMITED IN DURATION
TO THE ABOVE ONE-YEAR PERIOD. TEXAS INSTRUMENTS
SHALL NOT BE LIABLE FOR LOSS OF USE OF THE PRODUCT
OR OTHER INCIDENTAL OR CONSEQUENTIAL COSTS,
EXPENSES, OR DAMAGES INCURRED BY THE CONSUMER OR
ANY OTHER USER.
Some states/provinces do not allow the exclusion or limitation of
implied warranties or consequential damages, so the above
limitations or exclusions may not apply to you.
implied warranties or consequential damages, so the above
limitations or exclusions may not apply to you.
Legal Remedies. This warranty gives you specific legal rights, and
you may also have other rights that vary from state to state or
province to province.
you may also have other rights that vary from state to state or
province to province.
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Warranty Performance. During the above one (1) year warranty
period, your defective product will be either repaired or replaced
with a reconditioned model of an equivalent quality (at TI’s option)
when the product is returned, postage prepaid, to Texas
Instruments Service Facility. The warranty of the repaired or
replacement unit will continue for the warranty of the original unit or
six (6) months, whichever is longer. Other than the postage
requirement, no charge will be made for such repair and/or
replacement. TI strongly recommends that you insure the product
for value prior to mailing.
period, your defective product will be either repaired or replaced
with a reconditioned model of an equivalent quality (at TI’s option)
when the product is returned, postage prepaid, to Texas
Instruments Service Facility. The warranty of the repaired or
replacement unit will continue for the warranty of the original unit or
six (6) months, whichever is longer. Other than the postage
requirement, no charge will be made for such repair and/or
replacement. TI strongly recommends that you insure the product
for value prior to mailing.
Software. Software is licensed, not sold. TI and its licensors do not
warrant that the software will be free from errors or meet your
specific requirements. All software is provided “AS IS.”
warrant that the software will be free from errors or meet your
specific requirements. All software is provided “AS IS.”
Copyright. The software and any documentation supplied with this
product are protected by copyright.
product are protected by copyright.
Stat Calculator Ragnarok Classic
All Customers Outside the U.S. and Canada
For information about the length and terms of the warranty, refer to
your package and/or to the warranty statement enclosed with this
product, or contact your local Texas Instruments retailer/distributor.
your package and/or to the warranty statement enclosed with this
product, or contact your local Texas Instruments retailer/distributor.
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