¹ https://zsh.sourceforge.io/Doc/Release/Shell-Grammar.html#Pr...
$ qalc 10W*(8h/day)*1year to kWh zsh: bad pattern: 10W*(8h/day)*1year $:1 noglob qalc 10W*(8h/day)*1year to kWh (10 watts) × (8 hours/day) × (1 year) = 29.22 kW·h
¹ https://zsh.sourceforge.io/Doc/Release/Shell-Grammar.html#Pr...