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[80% Discount] Excel VBA Course - From Beginner to Expert

200+ Video Lessons
50+ Hours of Video
200+ Excel Guides

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Two-sided Tolerance Intervals

I need to compute two-sided tolerance intervals containing 99% of the population at a confidence level of 95%. How do I compute this using Excel 2010? I can't seem to figure it out. Thanks!


Excel VBA Course
Excel VBA Course - From Beginner to Expert

200+ Video Lessons 50+ Hours of Instruction 200+ Excel Guides

Become a master of VBA and Macros in Excel and learn how to automate all of your tasks in Excel with this online course. (No VBA experience required.)

(80% Discount Ends Soon!)

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Similar Topics







I have a set of data about with approx 7500 cells all contained in one column. The data has a series of peaks that happen, and I need to identify each peak value and place it in a cell. The peak does not occur at regular intervals but they are somewhat regular, as in within 130-230 data points. So, if one could find the first peak in the first 200 cells, identify it and store it somewhere, then look in the next 200, store it, etc. I don't know how to do that in excel. Please help

Thanks
Jon


I am using below code, but it only untill 19,999. Amount from 20,000 and above only show thousand? Please help!

For 19,999 it show
Ringgit Malaysia : Nineteen Thousand Nine Hundred NinetyNine Only

For 20,000 and above it show
Ringgit Malaysia : Thousand Only

Code as below:

Function SpellNumber(amt As Variant) As Variant
Dim FIGURE As Variant
Dim LENFIG As Integer
Dim i As Integer
Dim WORDs(19) As String
Dim tens(9) As String
WORDs(1) = "One"
WORDs(2) = "Two"
WORDs(3) = "Three"
WORDs(4) = "Four"
WORDs(5) = "Five"
WORDs(6) = "Six"
WORDs(7) = "Seven"
WORDs(8) = "Eight"
WORDs(9) = "Nine"
WORDs(10) = "Ten"
WORDs(11) = "Eleven"
WORDs(12) = "Twelve"
WORDs(13) = "Thirteen"
WORDs(14) = "Fourteen"
WORDs(15) = "Fifteen"
WORDs(16) = "Sixteen"
WORDs(17) = "Seventeen"
WORDs(18) = "Eighteen"
WORDs(19) = "Nineteen"

tens(2) = "Twenty"
tens(3) = "Thirty"
tens(4) = "Fourty"
tens(5) = "Fifty"
tens(6) = "Sixty"
tens(7) = "Seventy"
tens(8) = "Eighty"
tens(9) = "Ninety"

FIGURE = amt
FIGURE = Format(FIGURE, "FIXED")
FIGLEN = Len(FIGURE)

If FIGLEN < 12 Then
FIGURE = Space(12 - FIGLEN) & FIGURE
End If

If Val(Left(FIGURE, 9)) > 1 Then
SpellNumber = "Ringgit Malaysia : "
ElseIf Val(Left(FIGURE, 9)) = 1 Then
SpellNumber = "Ringgit Malaysia "
End If

For i = 1 To 3
If Val(Left(FIGURE, 2)) < 20 And Val(Left(FIGURE, 2)) > 0 Then
SpellNumber = SpellNumber & WORDs(Val(Left(FIGURE, 2)))
ElseIf Val(Left(FIGURE, 2)) > 19 Then
Ntow = Ntow & tens(Val(Left(FIGURE, 1)))
SpellNumber = SpellNumber & WORDs(Val(Right(Left(FIGURE, 2), 1)))
End If

If i = 1 And Val(Left(FIGURE, 2)) > 0 Then
SpellNumber = SpellNumber & " Crore "
ElseIf i = 2 And Val(Left(FIGURE, 2)) > 0 Then
SpellNumber = SpellNumber & " Hundred "
ElseIf i = 3 And Val(Left(FIGURE, 2)) > 0 Then
SpellNumber = SpellNumber & " Thousand "
End If
FIGURE = Mid(FIGURE, 3)
Next i

If Val(Left(FIGURE, 1)) > 0 Then
SpellNumber = SpellNumber & WORDs(Val(Left(FIGURE, 1))) + " Hundred "
End If

FIGURE = Mid(FIGURE, 2)

If Val(Left(FIGURE, 2)) < 20 And Val(Left(FIGURE, 2)) > 0 Then
SpellNumber = SpellNumber & WORDs(Val(Left(FIGURE, 2)))
ElseIf Val(Left(FIGURE, 2)) > 19 Then
SpellNumber = SpellNumber & tens(Val(Left(FIGURE, 1)))
SpellNumber = SpellNumber & WORDs(Val(Right(Left(FIGURE, 2), 1)))
End If


FIGURE = Mid(FIGURE, 4)


If Val(FIGURE) > 0 Then
SpellNumber = SpellNumber & " And Cents "
If Val(Left(FIGURE, 2)) < 20 And Val(Left(FIGURE, 2)) > 0 Then
SpellNumber = SpellNumber & WORDs(Val(Left(FIGURE, 2)))
ElseIf Val(Left(FIGURE, 2)) > 19 Then
SpellNumber = SpellNumber & tens(Val(Left(FIGURE, 1)))
SpellNumber = SpellNumber & WORDs(Val(Right(Left(FIGURE, 2), 1)))
End If
End If
FIGURE = amt
FIGURE = Format(FIGURE, "FIXED")
If Val(FIGURE) > 0 Then
SpellNumber = SpellNumber & " Only "
End If
End Function


Hi,
I have a figure 4,929,524,832 in excel. I want excel to automatically covert this figure into millions/billions/trillions. I tried through 'format cells' but there was no option for this.

Any help?

Roy


HELP!!

I need to know the formula (if there is one) for Excel to figure all the possible combinations of a given set of numbers that will add up to a specified sum.

In other words, if I give the following numbers 1, 2, 2, 3, 3, 4, 5, 5, 6, 7, 7 - I want Excel to figure all the possible combinations that will add up to 23, and also SHOW ME those combinations, and not just HOW MANY combinations there are.

i.e. one possible combination is 2, 2, 3, 4, 5, 7

Can this be done? What is the formula? I'm having a hard time figuring it out!!

Desperately,
Jenny


Right now I have a sports league with 8 teams, I'd like to create a random 7-game schedule where each team plays the other team only once. Essentially this will be a 7-game round robin. However, I'd like to be able to use this for any number of teams and games.

I'd like to do this in Excel, but I can't figure out how to have a randomly generating non-repeating macro with text values in cells.

So right now I have a column of 8 values and need matrix of 7 columns by 8 rows next to it.

I've found this thread that has one for numbers, but I can't figure out how to do it for text values...

http://www.excelforum.com/excel-prog...m-numbers.html

Thanks all!


I need a formula to calculate Turn Around Time. Find below the sample data and details for your reference.

Received Date & Time: 10/29/2010 3:27:00 PM
Completed Date & Time: 11/1/2010 3:57:32 AM
Business Hours: 08:00 AM to 05:00 PM
Non Business hours: 05:00 PM to 08:00 AM
Weekdays : Monday to Friday
Weekends: Saturday & Sunday

If I calculate TAT for this time period it should show me 1 hour 33 minutes, why because business hours are closing by 5:00 PM on 10/29 so it should not calculate duration after 5:00 PM to until 08:00 AM on next day, however 10/29 is Friday so formula should calculate the duration from 10/29 Friday 3:37 PM to 10/29 5:00 PM and again it should calculate from 8:00 AM on 11/01 Monday and formula should skip Saturday & Sunday.

In this scenario I have completed the task before 8:00 AM on 11/01 so it should show duration of 1hour 33 minutes.

Please let me know if you need any more details


I am trying to figure out how to write a formula to figure out production cycle time.
We will be building 8 "widgets" a day.
We will work 10 hours a day.
There is a 20 minute break at 9:20 am.
Production shuts down for lunch 30 minutes for lunch at 12:30.
Production starts at 6:00 am.
Here is what I can do.
Production cycle time = (10*60)-30/8 or 71.25 minutes
If we start at 6:00 am, the first scheduled cycle completion time = TIME(6,0,0+71.25/1440)

My problem is when I am trying to use a logical "IF' statement to account for the 20 minute break or lunch and still calculate the end of each cycle time through the day I receive a number of error messages.
This is the formula I am trying to make work. I have the cell the formula is in, formatted with a "mm,ss" format.
=(IF(D4+G1/1440>9:20,(D4+G1)/24,(D4+G1+15)/1440))
I have included an attachment to help (a picture is worth a thousand words).

Any help will be greatly appreciated.
I have bought a number of books in an attempt to figure this out, and I am still stumped


Hi, I'm trying to get some macros to combine data from two open workbooks, and I can't figure out the commands to switch from the active workbook to the other open workbook and back. I'm new to VBA and just learning the ropes. All I can figure out is how to switch to another workbook with an exact name. If I record the macro to go to a recent file, for example Window > 1 (filename), the code that I get in VBA is Windows("filename").Activate. This doesn't translate to when I have two different workbooks with different filenames open.

Make sense? I'm a bit confused myself. Maybe just a list of basic workbook-switching techniques or commands would be useful.

- Michael


From limited experience I know that excel calculates dates via serial numbers.

I have formulas to add a number of days to a cell containing an entered date and display the resulting new date (ie. 03/01/2011 (c34)+11 = 03/12/2011)

I am seeking to leave resulting formula cell blank until a date is entered in the input cell. Currently when the input cell is empty the formula cell obviously displays 1/11/1900 using the above example.

What conditional format would achieve leaving the formula cell blank until date data in entered into the source cell?

Hopefully a simpler question for your experience level than mine.


Hi all,

I've had a long search through your pages to see if this question has been answered before but having browsed through about 50 pages worth of threads I couldn't see anything, but if I am repeating prior information I do apologise.

I've written a macro that is relatively simple. It just takes some information in one format, rearranges it, adds some formatting and performs some calculations. Nothing incredibly fancy but it works fine on my computer.

Now, I need to share this macro with some other people, so basically I've just sent that excel file on to the people that need to use it. Should be fine and in most cases it is, however there is one user who although they can open the file, can't seem to get the macro to run properly.

It seems to get a small way through the macro but then stop with no error messages or any sign that it hasn't completed properly.

I have checked Macro Security level and that is the same as mine, Tools - Add-Ins is the same, In Visual Basic, Tools - References is the same as mine. It is the same Operating system and the same version of Excel.

I have even signed into this person's computer as myself (it's a big company network thing) and tried to run the macro and it works fine, so there is nothing wrong with the hardware.

I've googled and searched and tried everything I can think of but I'm no closer to solving this problem, so if anyone has read through this wall of text and can come up with a possible solution, that would be greatly appreciated to save me from tearing ALL my hair out!

Thanks very much for your time.


On my calculator, if I divide 462,534.05 by 335 I get 1,380.70. Then if I times 1,380.70 by 335 I get 462,534.50. Which is what I need it to be because I need to calculate the difference of a figure not dividing equally.

On excel, if I divide 462,534.05 by 335 I get 1,380.70. Then if I times 1,380.70 by 335 I get the SAME result of 462,534.05.

I have to account for the difference of not dividing equally so there is some format or accounting function that's preset that I don't want but I have no idea how to fix it or format my excel sheet to calculate as my calculator would.

Please can someone help? Thanks!


I see a formula that our Human Resources Department is using to annualize voluntary turnover.

It looks like this:

=(E3/((A3+D3)/2))*12/months

So if I substitute with some actual data:

=(6/((22+33)/2))*12/months the answer becomes 21.8% (as the annualized voluntary turnover rate).

What does the *12/months actually do mathematically? I cannot find it in the excel help files and have not been able to figure this out using math (on the calculator).


i've been trying to figure this out on my own but seem to be hitting road blocks.

i have a column of numbers that we extracted from a database as whole numbers. for instance, 30 should be .30 and 100 should be 1.00. when i try to increase or decrease the decimal point it doesn't allow me to convert it to those positions.

would any one have a tip of how i can easily convert this? there are over 2000 entries in my excel spreadsheet so to do it manually would take a lot of time/effort.

thank you!


Hi everyone, this is my first post here. I consider myself a more advanced Excel user and can navigate my way around fairly well. I've written a spreadsheet and am wondering if there is a way to permit data entry in a cell, contingent upon another cell being populated.

In simple terms, you can't enter data in cell X, until cell "Y" has been populated with something.

Can anyone help with this, because I can't figure it out....


Hello -

I am using Excel 2007. In prior versions of excel, when copying data, if I wanted to copy visible cells only, I would select "Go To, Special, Visible Cells Only" and then copy a range a cells. The default was always set to copy everything (including hidden cells), unless I specifically selected copy visible cells only.

In 2007, the default is somehow set to always copy only visible cells. Sometimes, I want to be able to copy all cells including those hidden but cannot seem to figure out how to swith this default option. I looked under Excel Options and did not see an option there.

I don't want to have to unhide and rehide everything each time i copy. I know i could do the hiding and unhiding via VBA but would prefer not to have to.

Thanks for your suggestions.


A previous poster explained what I also need; there were no responses,
so I thought I would try again.

Does anyone know of an Excel template--or a small stand-alone
program--that will calculate the interest/principal breakdown when
payments are varied in amount and frequency? Free or low-cost, please.
I need one that will work on my Mac/Office 2004. I will need to print
out periodic reports.

Here is the way the previous poster described it:
"Excel template: Loan Amortization for random/irregular payments,
figures days
between payment dates.
I have a loan with a variable beginning balance and irregular payments
with
annual large payment. (based on collections)
Would like to enter payment and date.
then Excel would figure days since last payment, interest amount,
principal
amount, Ending Principal balance.
And total interest paid, total pricipal paid
If I change the starting principal, excel would recalculate all
entries."

Thanks very much.




Hello,

I have two columns of data: column A contains the date and time in the form dd/mm/yyyy. Column B contains a number value. All the times are in order, so column A looks like:

01/01/2007
02/01/2007
03/01/2007

I have data from 2007 to 2010. I need to calculate an average daily value (in column B) for each month, and display it in column C. So, for January, I need to calculate the average of 31 days, February, 28 days, etc.

Is there a function I can use to do this? I've been trying the AVERAGEIF formula but can't get it to work. Any ideas would be much appreciated!

Many thanks,
Caitlin


I have a co-worker's file that he is having trouble with. He is using Excel 2000 SP3. When copying a cell with a formula in it of "=D6+C6" and pasting it into the next cell down, it will display the same value in the cell as the calculated value from above, but has the correct formula displayed in the formula bar of "=D7+C7".

Example:
A1: 50
A2: 10
B1: 60
B2: 20

A3: Formula: =A1+A2 Displays: 60
Right click A3, Copy, right click B3, paste
A3 displays 60

When I click save, it will change the display value to 80.

I am trying this on his workstation and mine. Mine has Office 2010, so I think there might be an issue with the file itself.

Also, not just copy and paste. I can also just click the top cell after filling in the formula and then drag the bottom right of the cell downward and it will do the same of filling in the correct formula, but have the incorrect value.

I know that I could get him to just click save each time before really looking at the results, but that is just a band aid to the problem.

Any ideas how to fix this?


I am attempting to figure out how to change the formula to automatically subtract a 30 minute lunch if the total time for the day exceeds 6 hours worked.

B value Time of day punch in: 9:30 AM
C value =IF(D11="","","-")
D value Time of Day punch out: 6:00 PM
E value =IF(D11="","",IF(D11

I've been poking around trying to figure this out but can't. The time of 9 hours, 15 minutes is being returned from a calculation but I want the cell to display the 9.25 hours instead. This seems like something simple on the surface, but apparently it's not. Any help would be appreciated!