Evaluate mathematical expressions with variables support.
Expression
Variables
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Result
Evaluated Value28
About this calculator
Understanding Math Expressions
A mathematical expression is a combination of numbers, variables, and operators that can be evaluated to a single value. Variables allow you to generalize the expression for different inputs.
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Pro Tips
Use standard operators: +, -, *, /, ^
Define variables like x, y, a, b.
Expressions can include functions like sin(x), cos(y), sqrt(z).
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Fun Facts
"The concept of a function as a mapping between two sets was key to the development of calculus."
