# speedcrunch > A high-precision scientific calculator. > More information: . - Start SpeedCrunch: `speedcrunch` - Copy the result of the most recent calculation: ` + R` - Open the formula book: ` + 1` - Clear the calculator of recent calculations: ` + N` - Wrap highlighted in parentheses (defaults to wrapping all if nothing selected): ` + P` - Load a speedcrunch session: ` + L` - Save a speedcrunch session: ` + S` - Toggle keypad: ` + K`