Summation Notation
Way of writing the sum of a series of numbers. For example, ∑7= 7+6+5+4+3+2+1=28; therefore, the summation of the natural number series up to 7 is 28.
Way of writing the sum of a series of numbers. For example, ∑7= 7+6+5+4+3+2+1=28; therefore, the summation of the natural number series up to 7 is 28.