Re: Big question

Jeffrey dear, could you please tell me how does this mathematic symbol (which reminds letter S. I've attached a foto ) call?

• I am creating a dance theatre and I am looking for a name for it ...I like the math Symbols..Pi, momentum..My eyes caught this beautiful shape of Sin mysterious math formula...two hours I am trying to find a name of it, but I can't...I was so bad in Maths when i was in 'school...so pity...I find it so beautiful today..all these formulas..numbers..completeness..l have this white jealousy for you, because you are a genius of Math!

You are so fast! thank you!!! honestly it doesn't sound so beautiful as it looks...:(

is is called an integral