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## Riemann sums, summation notation, and definite integral notation

# Riemann sums in summation notation

AP Calc: LIM‑5 (EU), LIM‑5.B (LO), LIM‑5.B.2 (EK)

Summation notation can be used to write Riemann sums in a compact way. This is a challenging, yet important step towards a formal definition of the definite integral.