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formula to add consecutive numbers. We will now show that a triangular number -- the sum of consecutive numbers -- is given by this algebraic formula. Then divide by 2.
Just double the regular formula. Sum sum of two middle numbers number of consecutive numbers. 1 2 3 4 98 99 100.
TRANSPOSE SEQUENCE 3 5 100 10 To better understand the approach please have a look at the screenshot below.
Just copy and paste the below code to your webpage where you want to display this calculator. Gauss noticed that if he was to split the numbers into two groups 1 to 50 and 51 to 100 he could add them together vertically to get a sum of 101. Multiply the last number in the sequence 14 by 1 number higher 15. We now know that the sum of.