∑ sigma summation - sum of all values in range of series
∑∑ sigma double summation
Sign vs Symbol
The difference between sign and symbol is that a sign on its own is a language and it is used to communicate between people whereas a symbol represents something that is accepted by certain groups of people.
Answers & Comments
Answer:
Algebra symbols
Symbol Symbol Name Meaning / definition
∆ delta change / difference
∆ discriminant Δ = b2 - 4ac
∑ sigma summation - sum of all values in range of series
∑∑ sigma double summation
Sign vs Symbol
The difference between sign and symbol is that a sign on its own is a language and it is used to communicate between people whereas a symbol represents something that is accepted by certain groups of people.
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