Or something those wordy math textbooks would have had - the Sohcahtoa Indians who dealt in triangles …

It would get him fired today... but my trig teacher showed up to this lesson shirtless in a floor length native American headdress, and ran into class yelling "I am Chief SohCahToa! Never forget my name!!".

And by God, I never have. Thanks Mr. Wilkinson.

It sounded to me like something some colonists would carve into a fence, like CROATOAN.

SOHCAHTOA.

always made me think of krakatoa (the exploding island)