nums = ['A','B','C','D','E','F','G','H','I','J','K','L','M','N','O','P','Q','R','S','T', 'U', 'V', 'W', 'X', 'Y', 'Z', 'AA', 'BB', 'CC, 'DD', 'EE', 'FF', 'GG', 'HH', 'II'];


function Beautify(num,floats)
{
if (!isFinite(num)) return 'Infinity'
if(num < 1e3 || num >= parseFloat('1e' + 3*(nums.length))) return Math.round(num)
var i = 0;
while(num >= 1000)
{
num/=1000;
i++;
}
num = Math.round(num*1000)/1000;
if(num>=1000)
{
num/=1000;
i++;
num = Math.round(num*1000)/1000;
} //deals with rounding errors
num = num.toFixed(3);
return num + nums[i - 1]
}