
Re: DEAD MATHEMATICS : DEMONSTRATION OF PRECISE NUMBERS CALCULUS
Posted:
Apr 27, 2012 12:54 PM


HOPEINCHRIST wrote: > SUMMATION CALCULUS. To calculate very simple the > summation of all the numbers at any number in seconds, > like at 19 = 190 > The summation of all the numbers added from > 198111 = 4812933216
There's nothing new about that; they're called "triangle numbers".
Thus each triangle number T(n) is: T(0) = 0 T(n) = n + T(n1), for all n in Z+
Or, instead of a recurrence relation: T(n) = n(n+1)/2
Your examples: T(19) = 19(19+1)/2 = 190 T(98111) = 98111(98111+1)/2 = 4,812,933,216
See: http://en.wikipedia.org/wiki/Triangle_number

