series.js

var F = require('fractional').Fraction;

var colors = require('colors'); /* unused */
var hardLimit = 20; /* times */
var divisor = eval(process.argv[2]);
var value = 0; 
var path = '';
var m ='';
for (var i = 1; i < hardLimit; i++) {
    var res = Math.pow(divisor, i);
    if(res < Number.MIN_VALUE){ m += 'Reached mininum number val'.red; break; }
    value += res;
    path += (path&&' + ')+res;
}
console.log(path);
console.log(value);
m&&console.log(m);
console.log(('Limit ~= ' + new F(value)).green);