Or you can use the `bc` that's shipped with macOS. echo 'l(f(52))/l(2)' | bc -l 225.58100312370276194868 (`l(x)` is natural log, hence the `/l(2)` to

Or you can use the `bc` that's shipped with macOS. echo 'l(f(52))/l(2)' | bc -l 225.58100312370276194868 (`l(x)` is natural log, hence the `/l(2)` to convert to `log2`) Annoyingly, GNU `bc` doesn't have `f(x)`.