Sum of Series Calculator
Calculate the sum of various mathematical series and sequences.
Series Sum Calculation
Results
Select series type and enter parameters to calculate the sum.
Series Formulas
Arithmetic Series
S_n = n(a₁ + a_n)/2
Geometric Series
S_n = a₁(1-r^n)/(1-r)
Sum of Squares
S_n = n(n+1)(2n+1)/6
Sum of Cubes
S_n = [n(n+1)/2]²