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)
}
