var aVar = 1
var bVar = 1
var cVar = 1
var poly
var string1 = "Test"
var string2
var string3
var string4
var string5
var string6
var endString ="\\end{array}$"

function writeNewEqn(){
   with(Math){
     bVar = round(10*random()+1)
     cVar = round(10*random()+1)
   }
   poly="f(x)=x^2+"+bVar+"x+"+cVar
}
function writeEqn(){
     string1 = "$\\begin{array}{rcl}\\lim_{h\\rightarrow 0}\\,\\frac{f(x+h)\\,-\\,f(x)}{h}\\,&=&"
     string2 = "\\altLink{\\lim_{h\\rightarrow 0}\\,\\frac{[(x+h)^2+"+bVar+"(x+h)+"+cVar+"]-[x^2+"+bVar+"x+"+cVar+"]}{h}}{Step 1.}\\\\" 
     string3 = "&=&\\altLink{\\lim_{h\\rightarrow 0}\\,\\frac{[(x^2+2xh+h^2)+("+bVar+"x+"+bVar+"h)+"+cVar+"]-[x^2+"+bVar+"x+"+cVar+"]}{h}}{Step 2.}\\\\"
     string4 = "&=&\\altLink{\\lim_{h\\rightarrow 0}\\,\\frac{2xh+h^2+"+bVar+"h}{h}}{Step 3.}\\\\"
     string5 = "&=&\\altLink{\\lim_{h\\rightarrow 0}\\,2x+h+"+bVar+"}{Step 4.}\\\\"
     string6 = "&=&\\altLink{2x+"+bVar+"}{Step 5.}\\\\"
     string0 = string1+string2+string3+string4+string5+string6+endString     
}