Redundancy Reduction
Dec 30, 2008
I have a large number of workbooks, each with one sheet. I need to do the following, and am too pressed for time to try and work it out from scratch, so am hoping to get some pointers on how best to set up the macro. All workbooks are in one folder.
From a Summary Worksheet:
Open Each Workbook
Go to Sheet1
Copy values from "a2", "c7", "e26", etc.
Paste as values in the Summary Worksheet on a new row.
Close Workbook.
Repeat until all Workbooks are extracted.
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Oct 8, 2008
Setting up a worksheet to check a string of 7 numbers has the correct check letter attached.
Example
X4032818 X is the check letter. One method is take the 1st number multiply by 1, 2nd multiply by 2, 3rd multiply by 3, 4th x 4, 5th x 5, 6th x 6, 7th x 7. Add the results, in this case equals 123. Divide this result by 25 (the letter Z is not used) the remainder (23) matches the 23rd letter in the alphabet. To cater for when the remainder is 0, the range is 0=A Y=24.
I am using MID to extract each number.
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Apr 16, 2007
i am working on a redundancy table to calculate lenght of service at a certain age and what the redundancy in years will be,
age----------------years
less than 23------0.75 per year
23 to 42----------1.5 per year
43 and above----2.25 per year
these figures only count for the years they have been that age
examples
a person who is 22 and worked for two years would get 1.5 years redundancy, 2 x 0.75
a person who is 23 and worked for two years would get 2.25 redundancy 1 x .75 + 1 x 1.5
i can do this table manually adding on to each previous but wondered if someone might have a nice formula that would calculate it automatically
i would imagine there would have to be some kind of lookup to find out how many years they have been in each age bracket
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Jan 13, 2014
I had a data sheet that used about 20,000 rows, down to AF20000 or so. I deleted about 16,000 rows and now want to reduce the size of the worksheet so that when I hit Control+Shift+End, it takes me only to AF4000, not to AF20000. Can this be done without replicating into a new worksheet?
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May 5, 2006
I have windows XP and xl2k. I have a single- sheet workbook (9MB) linked to another multi-sheet workbook of databases (20MB). The single-sheet workbook has about 100 pictures (30k ea) that, when a number is entered, searches the database. If no match is found for a given picture and product info, then the picture is deleted and the rows are hidden (macros). Usually, about 10 products are found in the database for any one entry.
My goal is that I can "save as > web page" and email these results off to my customer. The problem is the after-the-search result page is about 1MB and so too is the .htm file that is created when I "save as > web page." I was thinking that 10 pictures at 30k should be around 300k plus the formatting (no?). I cleared the "tools>option>general>web options>general>save any additional hidden data..." to little effect. Is there a macro that will delete the hidden rows which I should run AFTER the product search (because deleting them instead of hiding them messes up the macro run) - I'm sure that would help (right?). But my original thought was that the .htm file size would not be affected by hidden rows.
The per-item section of excel is 375 cells + the picture with simple font and formatting and no other objects, etc... When I delete the picture and save as > web page just this one-item section area (375 cells), the .html file is 37kb in size. That seems large to me (yes/no?). (10 x 37K = 370K before pictures!). This may be a reasonable file size, I'm no expert. I read a post where xl2003 has a compression application - is that what I need, or is there a 3rd-party app that can help me reduce the size of this file in htm. Or, is this the best I can expect from this method and I should be exploring elsewhere (metatags?).
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Jan 12, 2007
I am working on a spreadsheet that pulls data from an external pivot table.
The spreadsheet is 25 columns wide by 72 rows. I have 15 worksheets currently but need to add another 7. The current file size is 22MB and I keep getting a NO MEMORY error message.
I am not using any fancy formulae just references to an external pivot table.
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Mar 14, 2009
How to calculate a One time Payment to maintain the Tenure In Amortization?
Ex:-
I havea loan of Rs 1,00,000/- to be paid @ 8%/12 for the first year and then from 13th month , it will be Floating Rate of Interest which would be mostly higher than 8%/12...
I will be paying this loan off in 5 years ( i.e. 60 months)
and the EMI = Rs 2028/- per month..
Lets say, if the Interest goes up to 12%/12 after the 12th EMI then the tenure increases by 5 months from 60 months to 65 months thus adding to the cost of Rs 2028*5 = Rs 10140 more..
Now What amount do I need to pay alongwith the regular EMI's to maintain the tenure of months?
The amount Im referring to is a One-Time Payment added with the EMI for the 13 the mOnth to reduce the Principal and accordingly the tenure?
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Aug 19, 2009
I am currently working on a very large spreadsheet with a current size of 94mb. So obviously I have problems running and using it.
My question is a general one, I need to understand better why a spreadsheet gets so large. It has 55 tabs with the largest having 1000 rows. It also links in a number of places between sheets but also to external locations. I have moved all files that it is linked to in to the same file.
I am at the point where I am thinking about starting again! And I was wanting some tips or even a recommendation of a book that could help me optimize my spreadsheet going forward so to increase the speed but also reduce the size.
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