sum-of-1-to-99

sum of 1 to 99 sum of 1 to 99 odd numbers sum of 1 to 999 sum of 1 to 99 natural numbers sum of 1 to 99 inclusive sum of 1 to 9999 sum of numbers 1 to 999 sum of digits 1 to 99 sum of all numbers from 1 to 99