A large capital pi, denoting the product of a sequence of terms.
Also known as: Capital pi, Product operator
∏ denotes the product of a sequence of terms, as the summation sign denotes their sum. It is a large operator distinct from the Greek letter pi, and the two are separate characters despite looking alike.
Is encoded as U+220F N-ARY PRODUCT, distinct from U+03A0 GREEK CAPITAL LETTER PI.
Contexts: Mathematics
Denotes the product of a sequence of terms, with the index and its range written below and above it.
Contexts: Mathematics
Is the multiplicative counterpart of the summation sign, and the two share their notation for index and limits exactly.
Contexts: Mathematics
A horizontal bar across the top with two vertical strokes descending from near its ends, drawn larger than the surrounding text.
The product operator and the Greek capital letter are different characters that look nearly identical.
Products and sums over a sequence, sharing an index notation.