Section 2: Understanding Your Phone2O: Calculator 138The calculator allows you to perform general mathematical functions,such as addition, subtraction, multiplication, and division.You can use the calculator to: Perform basic calculations. Store and retrieve values. Display the last series of calculations.Opening the Calculator1. Choose one of the following options to open the calculator: Tap the Application Launcher icon . Tap the Calculator icon.Or: Tap the Calculator button on the right side of the Graffiti area.Using the Calculator ButtonsThe calculator includes several buttons to complete the mathematicalcalculations.