Enter the numbers and operation symbols in order, using the order of operations.
Example: (5 − 2) × −7 =
To enter a percentage, enter the number and then 2nd, left parenthesis. The 2nd key gives you the second function of a key—that’s the small green symbol at the top of the key.
Example: 65% × 150 =
To enter scientific notation, use the ×10n key.
Example: 2.3 × 104 + 6.7 × 104 =
To enter fractions, use the (numerator over denominator) key. The calculator will give you the answer as a reduced fraction.
Example: 2/3 ∶ 1/2
To enter mixed numbers, first enter the whole number, then use 2nd and the fraction key to begin the fraction part of the number.
Example: 83/4 × 11/2 =
To enter a number squared, use the x2 key.
Example: 6.12 =
Example: 28 =
To enter a square root, use 2nd and the x2 key.
Use the answer toggle key to change an answer between fraction and decimal, square root and decimal, or pi and decimal.
Example: 19/20 =