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6. C# Language, Part 2: Transitive Verbs > Expressions vs. Equations
Expressions vs. Equations
Many C# expressions look just like mathematical equations: They have an operand on either side of an operator, and the operators look like the ones you used for arithmetic. But it’s important to keep sight of the fact that C# expressions are NOT mathematical equations.
5 Expressions don’t always have two operands, although they always have at least one:
5 Operators don’t always look like mathematical symbols. Some of them are words, and the most important of these, new, you’ve already used:
5 Operands aren’t always numeric values, even when the operators look like arithmetic:
