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First solve equations in parentheses then the square brackets and then the curly brackets. Parentheses Can Also Mean Multiplication. Generally such bracketing denotes some form of grouping.
How to Use the Calculator.
First calculate exponents and radicals then multiplication and division and finally addition and subtraction. In evaluating an expression containing a bracketed sub-expression the operators in the sub-expression take precedence over those surrounding it. After parentheses are used then for clarity we use brackets. The easiest way to solve equations with brackets is to expand the brackets.
