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What is the name of this symbol and what does it mean? (1 Viewer)

Thread starter plutonium-238
Start date Nov 23, 2013

P

plutonium-238

Member

#1

K

Kurosaki

True Fail Kid

#2

It means product

P

plutonium-238

Member

#3

Can you give me an example of how it is used? I am very confused.

D

Drongoski

Well-Known Member

#4

$\prod _{i = 5} ^{50} ( i^2 - 3) = (5^2 - 3) \times (6^2 - 3) \times \cdots \times (50^2 - 3)$

$\sum _{j = 1} ^{n} j(j-3) = 1(1-3) + 2(2-3) + 3(3-3) + \cdots + n(n-3)$

Last edited: Nov 23, 2013

P

plutonium-238

Member

#5

Thank you very much!! Repped.

anomalousdecay

Premium Member

#6

On a side note, is it capital pi?

asianese

Σ

#7

Yes.

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