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Shakeel
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  • Pakistan
  • Petroleum Economist
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Excel Model (Need Help)

Dear Sacha, This technique is simple but very valuable. Thank you very much. Regards, Shakeel

Replied Feb 10

Excel Model (Need Help)
2 Replies

Hi All,I need to develop a time based model that i want to be expired after a certain amount of time. Kind of like a trial version. After a certain date the excel workbook will not run and the spread…

Started this discussion. Last reply by Shakeel Feb 10.

Problem

Hi Sharma, You probably want to calculate the interest payment at the rate of 11% (annual rate) per month. In Excel write a formula i.e. =(1+0.11)^(1/12) and =(5)^30. You will get your answer. The S…

Replied Nov. 16, 2009

Expiration of Excel Model

Thank You Agrawal, But a smart guy can easily break it. He just have to reverse the time of his computer and will use it again. I was thinking what if he/she open the spreadsheet and find it absolut…

Replied Oct. 23, 2009

 

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Dear Sacha, This technique is simple but very valuable. Thank you very much. Regards, Shakeel
February 10
Supose yoiu do not wish the model to run after 20 Feb 2010. This is 40229 in Excel date series. Enter Today() in any cell, say in A1. Mkae the key operations subject to A1
February 9
Shakeel added a discussion
Hi All,I need to develop a time based model that i want to be expired after a certain amount of time. Kind of like a trial version. After a certain date the excel workbook will not run and the spreadsheet will be blank. How can I formulate it or how…
February 9
Hi Sharma, You probably want to calculate the interest payment at the rate of 11% (annual rate) per month. In Excel write a formula i.e. =(1+0.11)^(1/12) and =(5)^30. You will get your answer. The Symbol ^ denotes "Power Of". I hope you got your a…
November 16, 2009
Thank You Agrawal, But a smart guy can easily break it. He just have to reverse the time of his computer and will use it again. I was thinking what if he/she open the spreadsheet and find it absolutely blank?? What you think!!! Regards, Shakeel
October 22, 2009
This should work. However there is no security in Excel, be it Protection or the above that will prevent a clever person from getting to the data. Unless someone knows better?
October 22, 2009
Guess this should block the workbook from being opened from 25th October onwards. Private Sub Workbook_Open() Dim ExpDate As Date ExpDate = DateSerial(2009, 10, 24) If Date > ExpDate Then MsgBox "Workbook Expired" ActiveWorkbook.Close End If End Su…
October 22, 2009
Shakeel added a discussion
Hi All, I need to develop a time based model that i want to be expired after a certain amount of time. Kind of like a trial version. After a certain date the excel workbook will not run and the spreadsheet will be blank. How can I formulate it or h…
October 22, 2009
Dear Anand, Thank you for your time. It's really helpful. It solve my problem. Regards, Shakeel
October 19, 2009
Hi.. how did you worked out the year and month calculation in PT
October 19, 2009
hi.. Here is your file. Hope this will solve your issue. You can hide the columns which are not required. regards, Anand
October 19, 2009
Create a formula in Col C on the Daily sheet showing just Month/Year i.e. DATE(YEAR(C8),MONTH(C8),1), then use the SUMIF and COUNTIF formula on the Monthly sheet. I got the same answers and no I wont upload it, by working it out for yourself you wil…
October 19, 2009
Thank you Anand. The file using Pivot Table is attached for your information.
October 19, 2009
Dear lilolee I appreciate your response but the problem is, I couldn't able to compose that formula. I tried it so many times but there is a problem with the values on the back of each date. (e.g. Just to sumup the values of December 93, if i use t…
October 19, 2009
hi... Can you pls upload the file wherein you have done the calculation vai Pivot Table. That would help me quickly giving you the solution. regards Anand
October 18, 2009
Isn't Average=Sum/Count or to put it another way AverageIf=SumIF/CountIF
October 18, 2009

Profile Information

Profession:
Petroleum Economist
Current Role:
Petroleum Economist
Education:
Master in Finance & Economics
Professional Skills & Interests Summary:
Upstream Petroleum Economics
Upstream Oil & Gas Economic Modeling
Current Location:
Islamabad
Interested In:
career opportunities, consulting offers, expertise requests

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