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C warning problem

The letter C, in caps "C" appears in the lower right side of the screen on my HP15C handheld calculator [10 series]The sin,cos,&tan functions are not giving correct answers and I just changed the battrys; I do not have an owners manual; how do I rid myself of this mode or what/why is it doing this? I loaned it to a friend to do calc's during class, he has no clue what he did...I donot know how to reset...or if that helps this problem?? please help; 3/30/08
pocoranch@sbcglobal.net

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Try removing all batteries and waiting for 5 mins then reinsert.

Posted on Mar 31, 2008

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My MS Excel vlookup function ASCII type table contains both upper case and lower case letters, characters like ( and % or *, and numbers. It seems to return the numerical equivalent of upper case letters...


Correct a #N/A error blueup_clv.gifShow All bluedrop_clv.gifHide All This error occurs when a value is not available to a function or formula.
  1. Optionally, click the cell that displays the error, click the button that appears ooui1_za06043871.gif, and then click Show Calculation Steps if it appears.
  2. Review the following possible causes and solutions. blueup_clv.gifMissing data, and #N/A or NA() has been entered in its place
    Replace #N/A with new data.
    Note You can enter #N/A in those cells where data is not yet available. Formulas that refer to those cells will then return #N/A instead of attempting to calculate a value.
    blueup_clv.gifGiving an inappropriate value for the lookup_value argument in the HLOOKUP, LOOKUP, MATCH, or VLOOKUP worksheet function
    Make sure that the lookup_value argument (argument: The values that a function uses to perform operations or calculations. The type of argument a function uses is specific to the function. Common arguments that are used within functions include numbers, text, cell references, and names.) is the correct type of value — for example, a value or a cell reference, but not a range reference. blueup_clv.gifUsing the VLOOKUP, HLOOKUP, or MATCH worksheet function to locate a value in an unsorted table
    By default, functions that look up information in tables must be sorted in ascending order. However, the VLOOKUP and HLOOKUP worksheet functions contain a range_lookup argument (argument: The values that a function uses to perform operations or calculations. The type of argument a function uses is specific to the function. Common arguments that are used within functions include numbers, text, cell references, and names.) that instructs the function to find an exact match even if the table is not sorted. To find an exact match, set the range_lookup argument to FALSE. The MATCH worksheet function contains a match_type argument that specifies the order the list must be sorted in to find a match. If the function cannot find a match, try changing the match_type argument. To find an exact match, set the match_type argument to 0.
    blueup_clv.gifUsing an argument in an array formula that is not the same number of rows or columns as the range that contains the array formula
    If the array formula (array formula: A formula that performs multiple calculations on one or more sets of values, and then returns either a single result or multiple results. Array formulas are enclosed between braces { } and are entered by pressing CTRL+SHIFT+ENTER.) has been entered into multiple cells, make sure that the ranges referenced by the formula have the same number of rows and columns, or enter the array formula into fewer cells. For example, if the array formula has been entered into a range 15 rows high (C1:C15) and the formula refers to a range 10 rows high (A1:A10), the range C11:C15 will display #N/A. To correct this error, enter the formula into a smaller range (for example, C1:C10), or change the range to which the formula refers to the same number of rows (for example, A1:A15).
    blueup_clv.gifOmitting one or more required arguments from a built-in or custom worksheet function
    Enter all arguments (argument: The values that a function uses to perform operations or calculations. The type of argument a function uses is specific to the function. Common arguments that are used within functions include numbers, text, cell references, and names.) in the function.
    blueup_clv.gifUsing a custom worksheet function that is not available
    Make sure that the workbook that contains the worksheet function is open and the function is working properly.
    blueup_clv.gifRunning a macro that enters a function that returns #N/A
    Make sure that the arguments (argument: The values that a function uses to perform operations or calculations. The type of argument a function uses is specific to the function. Common arguments that are used within functions include numbers, text, cell references, and names.) in the function are correct and in the correct position.

Oct 31, 2008 | PC Desktops

Tip

Disk Drive Shows Up In Device Manager But Not My Computer


When you install a disk drive, Windows installs the disk drive's drivers and assigns the disk drive a Drive Letter. When your disk drive shows up in the Device Manager, but is nowhere to be found in My Computer, this means the drivers installed, but Windows didn't assign the disk drive a Drive Letter. The following procedure will help you to assign your disk drive a Drive Letter in Windows XP, Vista & 7. Note: You cannot modify the drive letter of your main partition on your PC.

Windows XP
  1. Log on as Administrator or as a member of the Administrators group.
  2. Click Start, click Control Panel, and then click Performance and Maintenance. Note: If you do not see Performance and Maintenance, go to step 3. Performance and Maintenance appears in Control Panel only if you use Category view. If you use Classic view, Performance and Maintenance does not appear.
  3. Click Administrative Tools, double-click Computer Management, and then click Disk Management in the left pane.
  4. Right-click the drive, the partition, the logical drive, or the volume that you want to assign a drive letter to, and then click Change Drive Letter and Paths.
  5. Click Add.
  6. Click Assign the following drive letter if it is not already selected, and then either accept the default drive letter or click the drive letter that you want to use.
  7. Click OK.
  8. You can now close any open Computer Management, Administrative Tools, or Control Panel windows.

Windows Vista
  1. Click on the Start button and then choose Control Panel.
  2. Click on the System and Maintenance link. Note: If you're viewing the Classic View of Control Panel, you won't see this link. Just double-click on the Administrative Tools icon and skip to Step 4.
  3. In the System and Maintenance window, click on the Administrative Tools heading located near the bottom of the window.
  4. In the Administrative Tools window, double-click on the Computer Management icon.
  5. When Computer Management opens, click on Disk Management on the left. Disk Management should appear on the right side of the Computer Management window after just a few seconds of loading. Note: If you don't see Disk Management listed, you may need to click on the '> icon to the left of Storage.
  6. On the right-hand side of the screen, locate and right-click on the drive that you wish to change the drive letter of and choose Change Drive Letter and Paths.
  7. In the Change Drive Letter and Paths window, click on the Change... button.
  8. The Change Drive Letter or Path dialog box will appear. Choose the drive letter you wish to assign to this partition. Click OK.
  9. The Confirm window that appears advises you that "Some programs that rely on drive letters might not run correctly. Do you want to continue?" Note: If you have software installed to this drive, the software may stop functioning after a drive letter change. Nearly all software defaults to the primary drive though, so this is rarely a concern.
  10. If you're sure you want to make this change, click Yes.
  11. You can now close any open Computer Management, Administrative Tools, or Control Panel windows.

Windows 7
  1. Click on the Start button and then choose Control Panel.
  2. Click on the System and Security link. Note: If you're viewing the Large icons or Small icons view of Control Panel, you won't see this link so just click on the Administrative Tools icon and skip to Step 4.
  3. In the System and Security window, click on the Administrative Tools heading located near the bottom of the window.
  4. In the Administrative Tools window, double-click on the Computer Management icon.
  5. When Computer Management opens, click on Disk Management on the left side of the window, located under Storage. After a brief loading period, Disk Management should now appear on the right side of the Computer Management window. Note: If you don't see Disk Management listed, you may need to click on the '> icon to the left of the Storage icon.
  6. On the right-hand side of the screen, locate and right-click on the drive that you wish to change the drive letter of and choose Change Drive Letter and Paths.
  7. In the Change Drive Letter and Paths window, click on the Change... button. The Change Drive Letter or Path dialog box will appear.
  8. Choose the drive letter you wish to assign to this drive by clicking the letter from the drop-down box on the right. Click OK.
  9. The Disk Management window that appears advises you that "Some programs that rely on drive letters might not run correctly. Do you want to continue?" Note: If you have software installed to this drive, the software may stop functioning after a drive letter change. Nearly all software defaults to the primary drive though, so this is rarely a concern.
  10. If you're sure you want to make this change, click Yes.
  11. You can now close any open Computer Management, Administrative Tools, or Control Panel windows.

on Feb 16, 2011 | PC Desktops

2 Answers

I WANT MY LETTERS BIGGER I HAVE BAD VISION


Hi jolleesnowma...

Here is an easy way to make the print larger to see.
Look at the bottom right of the screen and you will see a +100%, click on the down arrow next to it and it will drop a window down so the screen print and objects will be of higher or lower magnification from 50% lower to 400 precent larger size...
Please take time to rate me

Jul 30, 2011 | PC Desktops

1 Answer

I have a Casio MS-8TV calculator and want to change the VAT rate to 20% (usage in UK), please. Val


How do I program tax rate into my calculator?
Non-printing models (also applies to HR-8TE printing calculator):

1. Press [AC]
2. Hold [SET/%] key for about 2 seconds
3. Press [TAX+]
4. Input the tax rate
5. Press [SET/%]


Printing models (except HR-8TE):

1. Have calculator in "print" mode
2. Press [CA]
3. Hold [SET/%] key for about 3 seconds
4. Input the tax rate
5. Press [TAX+]
6. Press [SET/%]
^Top I am having a problem registering the ClassPad 300, it keeps telling me my product key is wrong.
Enter only the numerals, not the letters.
^Top What features do our calculators have?
The attached chart shows comparisons of the different calculator models. This includes graphing, scientific and printing calculators. download the chart here
^Top What is the [F CUT 5/4] switch or [DEC] F, 0, 2 button for?
The HR-8TE/HR-8TM have a [DEC] key with F, 0, 2, and 5/4 over it, while many other calculators models have a switch labeled [F CUT 5/4].
The button or switch can control rounding off to a certain number of decimal places. F is floating point (no F indicator on screen), 0 rounds off to 0 places after decimal point, and 2 rounds off to 2 places after decimal point.
The 5/4 applies to either the 0 or 2 modes, and describes the type of rounding off that is performed. The calculator will round down if the digit after the one you are rounding to is 4 or lower, and round up if the digit is 5 or higher.
^Top What is the [5,4,3,2,1,0 ADD (2)] switch used for?
This switch is used to determine how many decimal places your answer is displayed in.
ADD (2) is often used for monetary calculations, so that it is not necessary to enter the decimal point. It is automatically placed two decimal places from the end for cents. For example, entering 123 will display as 1.23.
^Top Why do I get 111.1111... when I calculate 100+10%?
This is a markup on price procedure. The formula is as follows:
Markup%=(Markup Price-Cost)/(Markup Price)
^Top Why do I get the wrong answer when doing a percent calculation?
Make sure that you are following the correct procedure.
Adding 10%: 200 [×] 10 [%] [+]
Subtract 10%: 200 [×] 10 [%] [-]
^Top What tests are calculators permitted for?
AP Calculus requires a graphing calculator.
Any graphing or scientific calculator is permitted on the following as long as it does not have a QWERTY keyboard, electronic writing pad or a pen-input/stylus-driven interface:
PSAT/NMSQT, SAT I
SAT II Math, IC & IIC
AP Statistics (graphing expected)
AP Chemistry
AP Physics

May 27, 2011 | Casio Parts Cash Register PC Desktop

1 Answer

Need driver for windows mada player 10#t6410 i have no sound.


Click "start", then "control panel". Find and right click on "device manager", open then click continue. Click on the box(on right) od "sound audio and game controllers". Do you see a warning, ?, !, or yellow triangle? If you do click on that and follow proceedure. Right click on you device(s) one at a time and you should see "disable". If you see "enable" click on that and exit. Do this for all devices in list and exit. Click on the speaker icon in your taskbar, lower right of screen, them click on "open sound mixer" and adjust your volume. If this doesn't work and you have more than one device, you may ahve to alternate enabling one and disabling the others.

Apr 06, 2011 | E-Machines PC Desktops

2 Answers

Lettering too small


right click on the desktop ...>properties....>appearance.......>font size....>change to large.............

Nov 02, 2009 | Dell Dimension 2400 PC Desktop

2 Answers

My laptop does not recognize my password. It has not been turned on in a couple of weeks and no one has used it.


hi snooker
make sure you type the password in the letter case it was originally typed ie lower case (without caps lock) or upper case (with caps lock)

worth a try

Oct 25, 2008 | Gateway PC Desktops

1 Answer

Dell inspiron b130 when pressing any key of lower two rows , that letter and adjacent letter appear on screen


Try doing this:

In the device manager, uninstall your keyboard and scan and reinstall it.

If you don't know how to do this.. I can type the steps for you.. Just comment back.

Aug 16, 2008 | PC Desktops

1 Answer

I just recently bought a Samsung 245BW monitor and am having problems getting the right setting. It looks OK, but I know it could look a lot better. I tried playing with different resolutions, contrast and...


1. Right-click on the Desktop.

2. Choose "Properties" from the Shortcut menu that appears.

3. Click on the Settings tab at the top of the Display Properties window.

4. Under Settings is a list or a scroll bar (depending on your Windows version) containing available screen resolutions. Click on or use the slider to select the resolution you want.

Lower resolutions will display larger letters and icons, while higher resolutions display smaller letters and icons on your desktop.

5. Click "Apply", then "OK".

6. You'll have fifteen seconds to decide if the new screen resolution looks good or not. If you like the way the screen looks, click "Yes"; otherwise, click "No" and go back to step 4 for a different resolution. (If you can't see the screen at all, Windows will automatically revert to your original settings after fifteen seconds.)

7. Click "OK".

Jul 02, 2008 | PC Desktops

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