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Formulas are used to specify calculations based on values in designated cells. Excel supports basic calculations as well as statistical, trigonometric and other specialized functions.
Formulas used in Excel must follow a certain syntax.
All formulas begin with an equals sign (=).
Some formulas use operands such as +,-, *,/ for addition, subtraction, multiplication or division. For example, the formula =A1+A2+A3 would add the contents of cells A1, A2 and A3.
Other formulas refer to different functions such as SUM, AVERAGE and others. For example, the formula =SUM(A1:A3) would add the contents for the range A1 through A3.
Formulas can be combined with operands. For example, the formula =10*SUM(A1:A3) would add the contents cells A1 through A3 and multiply them by 10.
Functions can be nested within each other. For example, the formula =SQRT(10*SUM(A1:A3)) would take the square root of ten times the sum of cells A1 through A3. When functions are nested, it is important that the number of left parentheses match the number of right parentheses.
The VLOOKUP function is a handy one to know when you want Excel to
lookup a value in one place and insert it in another. For example,
let’s say you have a list of all of your customers on a sheet named
“Accounts” and an invoice on another sheet named “Invoice”. When you
type in their account number on the Invoice, you want Excel to fill in
the name of the customer and their address (and this information is
included for all customers on the Accounts sheet). A VLOOKUP will do
this for you.
Place the numer to be update in one cel
In anither cel say cel=cel+1 because of the alpha "S" here you need to combine 2 things.
3 formulas in excel.
add 1 to val(3charactersfromright)
combining s with converted new serialnumer
Personally I prefer Foxpro for these tasks.
For large amount of numbers this is no excel task.
Have no english excel here. Look up the easy function types.
You need no visual basic for this.
Use the IF and Date functions together. On sheet 3, put the birthday (3/15/1954) in cell B1, put the beginning date (1/1/1946) in cell C1 and the ending date (12/31/1964) in cell D1.
Then on Sheet 1, but the following formula in the cell you want an X to be placed in.
Make sure you type the formula Exactly as it appears.