Using Parentheses

Many equations are multi-step problems that include parentheses. The Casio fx-260 Solar Scientific calculator has parentheses that the student can use when solving problems.

Example: (6 + 12) x 4 = To solve this problem, follow these steps on the calculator shown here. Press the key to open the parentheses Enter the number 6 Press the key Enter the number 12 Press the key to close the parentheses Press the key Enter the number 4 Press the key The answer is 72.

The Casio fx-260 calculator allows students to solve problems that include multiple sets of parentheses. Start with simple problems, such as the one provided above, and then progress to more complex problems.