tanh (x)=(sinh (x))/(cosh (x))=(eˣ-e⁻ˣ)/(eˣ+e⁻ˣ)

But some Sherlockians have made a sport out of searching for the “real” 221B, parsing clues in the texts with the diligence of Holmes himself.

“Hello, Gladys,” I said, shaking her by the hand. “Joffy here used to bash the bishop so much when he was a boy we all thought he would go blind.”

to team lumber