Project Euler . Problem 6 . Sum square difference : The sum of the squares of the first ten natural numbers is, 12 + 22 + ... + 102 = 385 The square of the sum of the first ten natural numbers is, (1 + 2 + ... + 10)2 = 552 = 3025 Hence the difference between the sum of the squares of the first ten natural numbers and the square of the sum is 302…

projecteuler6.js

var MAXNUM = 100;
var sumA = 0;
for (var i=1; i<=MAXNUM; i++) {
  sumA = sumA + (i*i)
}
var sumB = 0;
for (var i=1; i<=MAXNUM; i++) {
  sumB = sumB + i
}
sumB = (sumB * sumB)
console.log(sumB - sumA);