Evaluation of excel formula to jsp/javascript

hi,
i am having one typical problem (this is returns on investment(ROI)based)i am having a formula in excel sheet that has to be implimented in jsp or java script. the inbuilt function in excel is NPV
NPV($F$11,H19:Q19)+G19(it is like this in my formula bar)
Syntax
NPV(rate,value1,value2, ...) even some formula is given in the help
can anybody help me how to calculate this using jsp/javascript and can give me the src code for this calculation.
thanks in advance
regards,
srikanth

Calculating the IRR is an iteration.
You try different interest rates until the NPV is as close
to 0 as you can get.
To calculate the IRR you will need the following:
(1) A starting point for the rate (the 'guess' argument in Excel)
(2) Your cash flows array (the 'values' argument in Excel)
You will also have to decide:
(3) How many attempts to make before giving up.
(4) How close to NPV = 0 is acceptable
(5) How to increment the interest rate
Now you make a loop.
Calculate the NPV.
If the NPV is > 0 try a higher rate.
If the NPV is < 0 try a lower rate.
If you are 'close enough' then return the rate.
If you have exceeded your maximum attempts then return
some value like 'not-a-number'

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=IF(Q13>0,Q13+0,"")
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In addition to these two formulas I need help with, the owner of the forms does not want the numbers to round up. Is there a way to get the exact answer and not rounding the numbers up in javascript?
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Hi George, on the first script
var Q13 = +getField("Q13").value;
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Do you know what that means and how to correct?
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I just got a request to convert an Excel file to PDF, and make the form calculate. The calculations are pretty complex (at least to me they are). There are four different types of formulas needed. I've copied the information below. Can someone help me with writing the scripts for PDF that would accomplish what the Excel formulas do? I don't even know if it's possible to do and where to start.
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Break Date:
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First there is no direct conversion from Excel formulas to Acrobat's JavaScript. You need to know that even the simplified field notation and the field selection for some calculations both use JavaScript behind the scenes to perform the calculation.
There is no easy date calculation like in Excel in JavaScript, you need to write custom JavaScript to convert the date string to a date object and then convert the date object to a date unit value and perform your calculation and then convert the result back to the date object for conversion to a string value. The format of the date strings is very important for these conversions.
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I need help converting an excel formula to javascript for a fillable form.

Here is the scenario,
If a person travels for 1 or 2 days we pay out a mealsrate of 75% per day. If 3 or more days we pay # days less 2 days * 25%. I hope that makes sense.
V7 = Days, F14 = Mealsrate
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=IF($V$7 = 1,$F$14*0.75,($V$7*$F$14)-(($F$14*0.25)*2)) and it works.
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if(this.getField( ("Days").value=="1")){
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Tracie
I'll be back on Monday, I hope I can find my post.

OK, that Excel formula can be reduced a bit. The following custom Calculate scipt will do what the formula does:
// Custom Calculate script
(function () {
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    var rate = getField("Mealsrate").value;
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It would make sense to add additional code to deal with negative numbers in either of the input fields.
Edit: corrected a typo

How to convert an Excel Formula to a Custom Calculation Script in a Adobe Acrobat 9 Form?

Hello,
I am not familiar whatsoever with Javascript and need some help in converting the following Excel Formula so that I can enter it into a Custom Calculation Script in a Adobe PDF Form. Here is the formula:
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Where "E15" will be the text field named "Subtotal" on my Adobe PDF Form.
Thank you for any help you can provide!

Fortunately JavaScript has the 'switch' statement so nested if statements can be avoided.
var E15 = this.getField("Subtotal").value;
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event.value = 24.95;
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case (E15 > 200) :
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break;
default:
event.value = "";
break;
} // end switch;

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Evaluation of excel formula to jsp/javascript

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