Just put the full names of each into Google and you will get references and explanations like this:
http://en.wikipedia.org/wi
for NPV for example.
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Question
Excel functions (FV, PV, NPER, etc)
I need to develop some kind of financial-related calculator. Most probably I will need to convert Excel function like below into Javascript version.
Do anyone here already got such functions in Javascript version, or some of the functions below?
* FV
* NPER
* NPV
* PMT
* PPMT
* PV
Thanks a heap!
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Answers
Thanks guys for the info,
so here are some of the financial functions I customized from above URLs. Just post it here just in case some one else may found this useful:
function FV(IR, NP, PMT) {
var vFV = PMT * (Math.pow(1 + IR, NP) - 1) / IR;
return vFV;
}
function PMT(IR, NP, PV) {
var vPMT = (PV * IR) / (1 - Math.pow(1 + IR, -NP));
return vPMT;
}
function PV(IR, NP, PMT) {
var vPV = PMT * (1 - Math.pow(1 + IR, -NP)) / IR;
return vPV;
}
function NPER(rate, pmt, pv, fv) {
if (fv == null) {
vfv = 0;
} else {
vfv = fv;
}
var vNPER = Math.log((vfv + pmt/rate) / (pv + pmt/rate)) / Math.log(1+rate);
return vNPER;
}
cheers
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by: robinuPosted on 2008-04-15 at 02:53:14ID: 21357237
Have a look at http://www.informit.com/ar
a couple of your financial functions are discussed in javascript.