Use Radians Use Degrees Mode Change Edit Constants Maximize Preferences Paste Function Constant LSR ROL Minimize ASL ROL Exponent Log DEC INC Inverse Tangent Tangent Inverse Cosine Cosine Inverse Sine Sine PI Sign Change Memory Recall Memory Insert Memory Subtract Memory Add Memory Swap Enter Delete Digit Clear Clear All Divide Times Minus Plus XOR NOT OR AND Factorial Inverse Enter Exponent Power Decimal Point Square Root Digit