<SPAN style="FONT-SIZE: 18px">//Note: javascript addition results will have errors, in the two floating point Numbers will be more obvious when adding. This function returns a more accurate addition result.    
//Call: accAdd (arg1, arg2)    
//Return value: the exact result of arg1 plus arg2 & NBSP;  
function accAdd(arg1,arg2){ 
    var r1,r2,m; 
    try{r1=arg1.toString().split(".")[1].length}catch(e){r1=0} 
    try{r2=arg2.toString().split(".")[1].length}catch(e){r2=0} 
    m=Math.pow(10,Math.max(r1,r2)) 
    return (arg1*m+arg2*m)/m 
}</SPAN> 

<SPAN style="FONT-SIZE: 18px"> 

//Note: javascript subtraction results will have errors, in the two floating point Numbers will be more obvious when adding. This function returns a more accurate subtraction result.    
//Call: accSub (arg1, arg2)    
//Return value: the exact result of arg1 minus arg2;  
function accSub(arg1,arg2){     
    return accAdd(arg1,-arg2); 
}</SPAN>

<SPAN style="FONT-SIZE: 18px"> 

//Note: javascript multiplication results will have errors, in the two floating point number multiplication will be more obvious. This function returns a more precise multiplication result.    
//Call: accMul (arg1, arg2)    
//Return value: the exact result of arg1 times arg2 & NBSP;  
function accMul(arg1,arg2) 
{ 
    var m=0,s1=arg1.toString(),s2=arg2.toString(); 
    try{m+=s1.split(".")[1].length}catch(e){} 
    try{m+=s2.split(".")[1].length}catch(e){} 
    return Number(s1.replace(".",""))*Number(s2.replace(".",""))/Math.pow(10,m) 
}</SPAN>

<SPAN style="FONT-SIZE: 18px"> 

//Note: javascript division results will have errors, in two floating point division will be more obvious. This function returns a more precise division result.    
//Call: accDiv (arg1, arg2)    
//Return value: the exact result of arg1 divided by arg2 & NBSP;  
function accDiv(arg1,arg2){ 
    var t1=0,t2=0,r1,r2; 
    try{t1=arg1.toString().split(".")[1].length}catch(e){} 
    try{t2=arg2.toString().split(".")[1].length}catch(e){} 
    with(Math){ 
        r1=Number(arg1.toString().replace(".","")) 
        r2=Number(arg2.toString().replace(".","")) 
        return (r1/r2)*pow(10,t2-t1); 
    } 
}</SPAN>