Theere is no help on the power button (^) nd on th factorial (!) button.
$ uname -a Linux gygv 5.16.18-200.fc35.x86_64 #1 SMP PREEMPT Mon Mar 28 14:10:07 UTC 2022 x86_64 x86_64 x86_64 GNU/Linux
SpeedCrunch 0.12 (Qt 5.15.2)
regards PK