Question about Texas Instruments TI-30XA Calculator

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How can i perform simple functions, multiplication, addition, etc. The display shows RAD and I press say 5 then + 2 and rather than producing 7 it is showing 52?

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The easiest way out of this is to remove the battery and this will force a "soft reset" there may also be a small reset button on the back (use a ball point pen to push). you have your calculator set in radian mode, and there should be button on the calc that say other fuctions, just try pusing some buttons, it won't hurt anything anyway

Posted on Mar 23, 2011

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I am trying to graph any possible equation and I get undefiend varialbe for any kind of equation as simple as x=7. It will always show as undefiend varialbe for any equation. I don't know why it does this.

Undefined variable error message displays when you evaluate a user-defined
function or run a user-defined program that references a local variable that is not
initialized (assigned a value). You have to type LineVert 7 and then graph function x=7. See captured image


May 02, 2011 | Texas Instruments TI-89 Calculator

2 Answers

Color registration off

on the control panel, select "additional functions", then press "2" and "8" at the same time, and then press "additional functions" again. You should see a white screen with the words, copier, feeder, etc. Press "additional fuctions" and then press the "2" key. This will take you into level 2 of service mode. On the screen, select "copier", then "function", then "clear", and then select "reg clear", and then press "ok" in the lower left of the touchscreen. Press "reset" multiple times to get back out of service mode. Turn the machine off, and then back on. Press additional functions and go to "adjustment and maintenance". Select "auto gradation" and perform a "quick" adjust, and then a "full" adjust. This should bring your registration back. If you keep experiencing the problem, the secondary transfer roller located just before the fixing assy/fuser unit on the left side drawer that pulls out could have build-up in the bushings, or the transfer belt and drive rollers could be causing the problem too. Hope this helps.

Apr 12, 2011 | Canon imageRUNNER iR C4080 Color Copier

1 Answer

My calculator is set at a 5% tax rate. How do I reset it to a 6% tax rate?

Observe the devices function keys to ascertain any menu or mulltifunction buttons. Multifunction keys perform several features. First the multi key integrates several features to minimise the extraneous requirements wit micro computer keypads. Second, multifucntion keys perform the additional fucntions least visible at initial observation. Calculors as simple computers onlyl produce transaction requests though allowing to adjust features to suit productivity. Perform an observe of the device to familiarise with the adjustment status condition. In the instance were the device were dessign least to allow an alteration of calcultion percentages makes alteration unachievable. Refer to the devices oner user guide to ascertain the capacities if functionalities among several resources made available from the manufacturer.

Feb 13, 2011 | Casio DR-210HD Calculator

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How can I found out the stats on a Canon NP 6551 (ie total pages, etc...)?

NP6560 Main Specifications
Main Unit
Name: Canon NP6560
Type: Console
Platen: Stationary
Photoconductive material: Amorphous Silicon
Copying system: Electrostatic transfer system
Developing system: Toner projection system
Fixing system: Heat roller system
Acceptable copy stock: Paper drawer:17 to 24-lb bond (64 to 90 g/m2); plain paper
Stack bypass:17-lb bond to 110-lb index (64 to 200 g/m2); plain paper
(However, Keep in mind that the paper weight that can be used varies
depending on the type of the Sorter being used.
SADF tray : transparencies and labels
Acceptable originals: Sheets, books, and three-dimensional objects (up to 4.4-lb or 2 kg)
Maximum original size: 11" x 17"
Copy sizes: Paper drawer: STMT, STMTR, LTR, LTRR, LGL, and 11" x 17"
Stack bypass: 4 1/8" x 5 7/8" (horizontal placement) to 11" x 17"
Non-image areas: Leading edge: 1/4" (4.5 mm)
Left and right side: 1/16" (3 mm)
Trailing edge: 1/16" (2 mm)
Warm-up time: Approx. 6 minutes (at temp. of 68°F)
First copy time: Max. 2.8 seconds
[LTR size, direct copying, Manual Exposure Control, Drawer 1 (top
drawer) selected 1→1-sided mode]
Copy speed: Direct (100%) LTR 60 cpm
65 cpm (Accelerated mode)
LTRR 49 cpm
11"X 17" 30 cpm
LGL 40 cpm
STMT 60 cpm
STMTR 60 cpm
Reduction 11"x 17" → STMT 56 cpm (50%)
11"x 17" → LTR 48 cpm (64%)
11"x 17" → LGL 40 cpm (73%)
11"x 15" → LTR 48 cpm (73%)
LGL → LTR 49 cpm (78%)
Enlargement LGL → 11"x 17" 30 cpm (121%)
LTR → 11"x 17" 30 cpm (129%)
STMT → 11"x 17" 29 cpm (200%)
Magnification: Direct 1:1.000
Reduction 1:0.500 (11" x 17"→STMT)
1:0.647 (11" x 17"→LTR)
1:0.733 (11" x 17"→LGL/11" x 15"→LTR)
1:0.786 (LGL→LTR)
Enlargement 1:1.214 (LGL→11" x 17")
1:1.294 (LTR→11" x 17")
1:2.000 (STMT→11" x 17")
Zoom 1:0.490-1:2.040
Paper feeding system: Drawer 1, 2 (1,500 sheets x 2)
Drawer 3, 4 (550 sheets x 2)
Stack bypass (50 sheets; stack approx. 1/4" high)
Multiple copies: 1-999
Power source: 120 V, 60 Hz
Max. power consumption: Less than 2.0 kW
Dimensions (H x W x D): 46" x 25 3/8" x 28 1/2"
(1169 x 643 x 725 mm)
Installation Space (W x D): 40 5/8" x 28 1/2"
(1030 x 725 mm)
50 3/8" x 28 1/2" (1280 x 725 mm)
[With copy tray (option) attached and stack bypass auxiliary tray extended]
Weight: Approx. 462 lb (210 kg)
RDF (Standard equipment)
Originals: STMT to 11" x 17" size (STMT-size cannot be placed horizontally.)
Original tray: LTR 15-lb to 110-lb bond (52 to 200 g/m2)
11" x 17", LGL, LTRR, or STMT
15-lb to 32-lb bond (52 to 128 g/m2)
SADF tray: 11" x 17" to STMT
11-lb to 110-lb bond (38 to 200 g/m2)
Max. power consumption: 120 W
Original tray capacity: Original tray: 11" x 17" or LGL
50 sheets (20-lb bond or 80g/m2)
100 sheets (20-lb bond or 80g/m2)
SADF tray: 11" x 17" to STMT
1 sheet
Original replacement speed: 60 sheets/minute (LTR, horizontally placed)
Power supply: 24 V (supplied from main unit)
Dimensions (H x W x D): 6 7/8" x 25 3/8" x 21 1/4"
(174 x 643 x 539 mm)
Weight: Approx. 56.3 lb (25.5 kg)
These specifications are subject to change without notice.
Energy Saver
Additional Functions
Display Contrast
? ? ? ? ? ? ? ? ?
Enter a ID number with the Number ( 1 - 0 )
MEMO: ? If you make a mistake entering an ID number, press
the C
key. Then, enter the ID number again.
? You cannot enter two identical ID numbers.
? If you enter and store "000000" in place of a current
ID number, that ID number is canceled.
? You can store up to 1,000 ID numbers.
Press the [OK] key.
If you want to store another ID number, repeat
steps 3 to 5.
After entering all the ID numbers to be stored,
press the ID key. The display returns to the ID
entry screen.
Canceling the ID Mode: Clearing All ID Numbers
If you clear all the ID numbers then you can make copies without having to enter an ID
Press the Additional Functions , ID , Stop , and Additional Functions keys in that
1 order.
Additional Functions
Energy Saver
Additional Functions
Display Contrast
? ? ? ? ? ? ? ? ?
Press the [OK] key.
MEMO: ? If you want to stop all the ID#s from being cleared,
press the [C] key.
Press the [CLEAR ALL ID#s] key.
Press the [STORE USER ID#] key, then press
the [OK] key.
All the ID#s are cleared.
If you press the [OK] key, you will return to the
Standard mode.
MEMO: ? Storing all the ID#s under "000000" will also clear all
the ID#s.
? ? ? ? ? ? ? ? ?
In the ID mode, the copier keeps track of the copy quantity made under each ID number (up to
999,999). You can view the copy total for each ID number in the touch panel display.
Press the Additional Functions , ID , Stop , and Additional Functions keys in that
1 order.
After pressing the [COPY TOTALS] key, press
2 the [OK] key.
Press the [?] or [?] key to check the copy totals
for a department. The copy totals can also be
displayed by entering the department number.
Press the Number keys ( 1 - 0 ) for a four digit
department number and it appears at the top of
the display. When you finish checking the copy
totals, press the [OK] key.
Copy Totals (Check Totals)
The following procedure describes how to clear the copy totals for all ID numbers to zero.
Copy Totals (Clear All Totals)
Press the Additional Functions , ID , Stop , and Additional Functions keys in that
1 order.
Energy Saver
Additional Functions
Display Contrast
Energy Saver
Additional Functions
Display Contrast
? ? ? ? ? ? ? ? ?
After pressing the [COPY TOTALS] key, press
2 the [OK] key.
Press the [CLEAR ALL TOTALS] key. 3
Press the [OK] key.
MEMO: ? To cancel clearing all totals, press the [C] key. 4
The copy totals for all ID numbers are cleared to
zero. If you press the [OK] key the display
requesting the entry of an ID number appears.
MEMO: ? You cannot clear the copy totals for ID numbers

Dec 21, 2010 | Canon NP 6551 Black and White Copier

1 Answer

Remote control not working with tv

The remote control is an acess to the TV device for example only from a distance. A remote controll for functionality would require to insert batteries a power source making possible communiction with devices requiring reception transmittion of signals. The remote is handheld pointed to the direction of TV requiring signal before button pressed woudl achieve response. a common button to start the remote control experience is pressing on the power button, that displays a signal on the TV. The TV should momentarily produce a sound and lighting effect,, and displaying on the dark screen a light blue screen. The initial signal response from remote control to TV indicates devices are functioning as required. Additional buttons on the remote controll could perform functions of several available.
The remote control has master button, menu on which every additional function is deriveable. Once the menu button is pressed with remote pointed in the direction of TV, should dicplay a list of options on the blue screen already established by power button. Every additional remote control device functionality is achievable by only after the first two buttons have been powered and pressed to display option results on a screen of TV. The remote controll buttons remaining perform complementary functionalities. For example, the arrow keys on remote control make movement of the options displayed on the screen, where a comfrimation button or identified as select allows to confirm remote functions displayed on the screen. A remote control could have several functionalities only accessible once made to display in screen. The three most common buttons on a remote control are First power button that powers on the TV, menu button that displays a list of functionalities on the powered on bl;ank blue screen, and using the arrow buttons on the remote would moves an indicator arround the screen area options. The selection button makes confrimation of the option.

Dec 02, 2010 | Philips Televison & Video

1 Answer

I have chnaged the photoconducter but still comes up with error message, how do i clear this?

Hello, follow this steps:
1. Turn the printer off
2. Whilestill off, press and hold SELECT and RETURN buttons
3. Keep both buttons pressed and turn the printer on
4. Continue to hold both until either PERFORMING SELFTEST or CONFIG MENU appears on the display
5. Release buttons
6. RESET PC CNT should now show o the display. If it does not, press left or right menu buttons until it does.
7. Press select buton once. RESETING PC CNT VALUE should show on the display.
8. When the display shows CONFIG MENU again, turn the printer off.
9. Turn the printer on (do not hold any buttons down thi time). Printer is reseted.

I hope this simple steps will be helpfull for you. Good luck!!!

Mar 30, 2010 | Lexmark E342n Laser Printer

1 Answer

How do I perform multiple subtractions?

1. Enter your beginning balance
2. Press the minus (-) key
3. Enter the amount of a check
4. Press the equal (=) key. Balance will be displayed.
5. Press the minus (-) key
6. Enter the amount of a check
7. Press the equal (=) key. Balance will be displayed

Repeat steps 5 through 7 as necessary.

To enter a deposit:

5. Press the plus (+) key
6. Enter the amount of the deposit
7. Press the (=) key. Balance will be displayed

Don't press any other keys (i.e., Clear) until you have completed all checks and deposits.

Jan 28, 2010 | Canon P170-DH Calculator

1 Answer

How do you subtract fraction on a caluclator. problem: 6/7-2/5

A fraction is just a number like (almost) any other. On most calculators, as you enter 6/5 the calculator displays its decimal value. When you press - the calculator waits for a number 2 then / then 5. Once you press the equal sign it will calculate 2/5 then subtracts it from the preceding result. The priority rules favor multiplication and division over addition and subtraction.

On some calculators you can keep a fraction in fraction format and operate on it with other fractions, and the result may be obtained as a fraction.
The gist of the story is that ON A CALCULATOR operations on fractions as performed like operations on any number.

Dec 20, 2009 | Sharp Office Equipment & Supplies

1 Answer

How to use the cosine,tangent etc functions of calculator fx-82ES plus

1.Set the correct angle unit required by your problem: degrees, radians, or grads. [SHIFT][MODE] [3:deg] or [4:Rad]

2. Press the key for the function COS, SIN, or TAN
[COS] displays Cos(

3.Enter the angle 12 deg Screen shows cos(12
Close the right parenthesis ) Screen shows cos(12)
4.Press [=] Screen displays 0.9781

If you want the inverse trigonometric functions you access them with arccos [SHIFT] [COS] (cos^-1)
arcsin [SHIFT][SIN] (sin^-1)
actan [SHIFT][TAN] (tan^-1)

You have to know the principal domain for the inverse trigonometric functions (see any book on trigonometry) to understand the results.
Hope it helps.

Nov 05, 2009 | Casio Office Equipment & Supplies

1 Answer

I just want to find out how to use the simple functions of my desk calculator, ie. add, and multiply in one operation and so on.

Usually you enter the first number then you press the key ( +, -, x or /) corresponding to the operation you want to perform and you press the equal sign (=).
ex: 15+3=18

Often you can perform the operations one after the other without bothering with the intermediate results. You can do so provided you respect the priority rules: parentheses,powers, multiplication/division, addition/subtaction...)

Hope it helps

Aug 18, 2009 | Sharp EL-1750PIII Calculator

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