The Casio fx-115es Plus is a scientific calculator that can be used to perform a variety of mathematical operations, including finding the square root of a negative number. To do this, first enter the negative number into the calculator, then press the “SHIFT” key followed by the “MATH” key. This will bring up a menu of mathematical operations, including the square root function. Select the square root function, then press the “ENTER” key. The calculator will then display the square root of the negative number.
Finding the square root of a negative number is a useful mathematical operation that can be used to solve a variety of problems. For example, it can be used to find the length of the hypotenuse of a right triangle, or to calculate the roots of a quadratic equation. The Casio fx-115es Plus is a powerful calculator that can be used to perform a variety of mathematical operations, including finding the square root of a negative number.
