Expression: -
An expression is used for calculating the value of a formula. It is formed by combining different operands and operator. Its evaluation gives a single value. The operands may be constant values, different variable names and functions. Parenthesis may also be used in an expression.
For example, to calculate the value of box with sides A, B, C the expression is written as:
A **B **C
Where A, B, C are variable names and are called operands. The multiplication sign ‘**’ is called operator. The combination of operands and operators makes an expression.
Posted by; Wasim Javed
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