Arithmetic and geometric series: S_n formulas and the sum to infinity, and what S∞ means in context

What this note covers

1. Distinguish a sequence from a series
2. Sum an arithmetic series
3. Sum a finite geometric series
4. Understand convergence and S∞
5. Solve contextual accumulation problems
6. Verify formulas and interpret the result

6 sections · 10 key terms & formulas · 6 common mistakes