Brackets symbol

Observe the following pedigree symbol . What does this symbol represent ?

Observe the following pedigree symbol . What does this symbol represent ?

What is a symbol ?

What is a symbol?

Lewis Symbols

Each symbol given below represents an algebraic expression: The symbols are then represented in the expression: Find the expression which is represented by the above symbols

Some symbols are given below. Explain those symbols. Which disaster may occur if those symbols are ignored?

Some symbols are given below. Explain those symbols. Which disasters may occur if those symbols are ignored?