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Twitter Formula Contest – We are 5000 strong now

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Time for blowing my own trumpet and patting my own back over my pointy hair. I feel very proud to announce that our little community at Pointy Haired Dilbert now has its five thousandth member.

Take a minute and pat yourself on the back. This is an achievement because of you. Go ahead, I am waiting.

Ok, enough patting. Time for some gifts and fun.

We have 2 contests to celebrate the occasion. This is the first one. I will announce the second contest tomorrow.

Twitter formula contest.. What?

It is as simple as leaving a twitter. All you have to do is write a formula less than 140 characters and tweet it. It could be a complex array formula to solve the world hunger, or just a regular vlookup with wild card search.

Just follow these guidelines:

  • The formula should be self explanatory
  • Or the formula should be short so that you can squeeze the explanation in the tweet itself
  • Either include @r1c1 in the tweet or post the permalink to your tweet in the comments. Otherwise I cant locate your tweet and hence you wont get the prizes
  • Dont post formulas that are way simple like sum(1,2,3)
  • Finally, if you don’t have a twitter account, you can post your formula in the comments. Character count still remains.
  • You can post as many tweets as you want.
  • Winners will be selected randomly. So post anything as long as it is good.
  • The contest is closes on 15th August midnight (at where I sleep)

What are the prizes?

There are two prizes.

Excel 2007 Formulas bookExcel Dashboard Bundle sponsored by Bonavista Systems.

Andreas, who owns the company has been kind enough to sponsor this prize. The dashboard bundle includes two kickass products from BonaVista systems – Excel Microcharts and Chart Tamer [My review of chart tamer here].

This prize is worth $200.

Excel 2007 Formulas bookExcel 2007 Formulas by John Walkenbach

J Walk, who probably authored a zillion excel books provides a complete reference of Excel 2007 formulas in this wonderful book. The book is a must have for both excel beginners and more advanced users. And it is just a tweet away to become yours.

This prize is worth $28.

Any doubts?

Leave a comment or tweet me @r1c1.

No doubts?

Good, what are you waiting for then? Get tweeting.

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17 Responses to “Twitter Formula Contest – We are 5000 strong now”

  1. Martin says:

    Here’s my little contribution (previously posted 😉
    Named Ranges (should be dynamic, but….)
    Ship $A$2:$A$8
    Captain $B$2:$B$8
    flights $C$2:$C$8
    in F:F
    Summary_ship $F$2:$I$2
    this 3:3
    Summary_Captain $E$3:$E$6
    data is in range A1:C8, and summary is in E1:I6.

    =SUMPRODUCT((Ship=in Summary_ship)*(Captain=this Summary_Captain)*(flights))

    rgds,
    Martín

  2. David says:

    =NORMDIST(-1*ABS((Z27-AE27)/AG27),0,1,TRUE). Calculate p-value for t-statistic based on means in Z27 and AE27 and the std err of mean in AG27.

  3. Mahmut says:

    =LEFT(A1,FIND(" ",A1)-1)

    =RIGHT(A1,LEN(A1)-FIND(" ",A1))

    Split first names and last names.

  4. Olu D. says:

    This formula determines the Active (="T") status or otherwise of Employees in an Excel spreadsheet:

    =IF(AC2="","X",IF(AND(AC2=500000,AD2=""),"T",IF(AND(AC2500000,AD2""),"F","Pls Enter Leaving Reason!!")))

  5. Cody says:

    =FREQUENCY(DY5:DY118,EU4:EU14) for creating frequency distributions. I can't believe I went so long before discovering that there's an easy built-in array function that does this. Constructing the distribution by hand was always a pain.

  6. DMurphy says:

    To return the full Path+Filename of your (saved) workbook (and dropping the [] characters) to get, for example, C:\Data\ExcelFiles\MyWorkbook.xls:
    =SUBSTITUTE(SUBSTITUTE(LEFT(CELL("filename",$A$1),FIND("]",CELL("filename",$A$1))),"[",""),"]","")

  7. DMurphy says:

    To return the name fo the current worksheet, e.g. "Sheet1":
    =MID(CELL("filename",$A$1),FIND("]",CELL("filename",$A$1))+1,LEN(CELL("filename",$A$1))-FIND("]",CELL("filename",$A$1)))

  8. DMurphy says:

    To return the name of the workbook only, e.g. MyWorkbook.xls:
    =MID(CELL("filename",$A$1),FIND("[",CELL("filename",$A$1))+1,FIND("]",CELL("filename",$A$1))-FIND("[",CELL("filename",$A$1))-1)

  9. [...] and to celebrate that we have launched a series of contests. Yesterday we have announced the twitter formula contest. Today it is time to show your [...]

  10. Alan says:

    Probably a easier way of doing this , extracting the month from a date as text. A1 is date

    =TEXT(DATE(0,MONTH(a1),1),"mmmm")

  11. Arnab Bose says:

    This formula looks up data from another sheet considering three parameters keeping into account the column A and column B with sub-components (both on another sheet) and matching them up with the heading on both sheets.

    =OFFSET('Data Sheet'!$C$1,MATCH(D$2,'Data Sheet'!$A$2:$A$140,0)+MATCH($B5,'Data Sheet'!$B$2:$B$20,0)-1,MATCH(D$3,'Data Sheet'!$C$1:$J$1,0)-1)

  12. Arnab Bose says:

    This formula extracts data from a dynamic data range and returns a zero value if there is an #N/A error.

    =IF(ISNA(HLOOKUP($A14,Data!$AB$2:$AW$9,MATCH("P",Data!$AB$2:$AB$2,0),0)),0,HLOOKUP($A14,Data!$AB$2:$AW$9,MATCH("P",Data!$AB$2:$AB$2,0),0))

  13. [...] David on PHD comments =NORMDIST(-1*ABS((Z27-AE27)/AG27),0,1,TRUE). Calculate p-value for t-statistic based on means in [...]

  14. Rick Rothstein (MVP - Excel) says:

    A shorter formula than Alan's (with one less function call as well) for extracting the month name for the date in A1...

    =TEXT(28*MONTH(A1),"mmmm")

  15. Rick Rothstein (MVP - Excel) says:

    Forget the nonsense I just posted. Alan, if A1 contains a date, then all you need is this...

    =TEXT(A1,"mmmm")

    What I was thinking (and screwed up) is that if A1 contained the month number, then you could get the month name from it using this...

    =TEXT(28*A1,"mmmm")

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