<!-- When you use this calculator, you agree to hold harmless the owner of this web site and all entities associated with the web site, the authorship of the calculator, and suppliers of the calculator  //-->


<!--Hide JavaScript from Java-Impaired Browsers

var irate, mi, cmi, years, tprinc, princ, paym, cpaym, osp,v,downp,downr,comp;

function calcPaym(cdn){

   tprinc = round2d(parseFloat(document.smpc.tprinc.value));

   downp = .01*parseFloat(document.smpc.downp.value);

   downr = ceil2d(downp*tprinc);

   princ = tprinc-downr;

   
   document.smpc.princ.value = fmt2d(princ,0);

   document.smpc.downr.value = fmt2d(downr,0);

   
   if(cdn)comp="Canadian"; else comp="U.S";

   document.smpc.comp.value = comp;

   
   irate = .01*parseFloat(document.smpc.percent.value);

   years=parseFloat(document.smpc.years.value);

   term = parseFloat(document.smpc.term.value);

   if(term > years)term=years;

   
   if (term==0 || years==0||irate<.0001||princ<1)

   {alert("values must be numeric");}

   else 

   {

       if(cdn)mi = Math.pow(1+ irate/2,1/6) 

       else   mi = 1+(irate/12);

       v = 1/mi;

       paym = ceil2d(princ*(mi-1)/(1-Math.pow(mi,-(years*12))));

       osp = (princ-(v*paym*(1-Math.pow(v,12*term)))/(1-v))/Math.pow(v,12*term);

       if(osp<0)osp = 0;

       
       document.smpc.paym.value=fmt2d(paym,0);

       document.smpc.owed.value = fmt2d(osp,0);

   }

}

function round2d(n){return(.01* Math.round(100*n));}

function floor2d(n){return(.01* Math.floor(100*n));}

function ceil2d(n){return(.01* Math.ceil(100*n));}

// format number n as string width w with 2 decimal places

function fmt2d(n,w)

{

   var work,dp,sl,dl;

   
   work = ""+floor2d(n); // force only 2 decimals

   sl=work.length;

   
   if(-1 == (dp = work.indexOf(".")))work=work+".00";

   else if(3 > sl-dp)work = work+".00".substring(sl-dp,3);

   sl = work.length;

   if(0 != w && w !=sl)

      if(w<sl){work = "*";for(sl=1;sl<w;sl++)work=work+"*";}

      else for(;sl<w;sl++)work=" "+work; 

   return work;

}

//-->