[math-fun] It has an e, an i, and a pi in it

Even a -1. Why isn't it beautiful? 43 %i %pi --------- 3/4 1/4 1/8 48 1 (8 %i - 9 2 - 6 2 ) %e gamma(-) - %pi 4 (d120) eta(%i %e ) = - ------------------------------------------------ 3/8 3/4 2 2 %pi (c121) EXPAND(BFLOAT(%)); (d121) 1.9655177733257701608b-2 %i + 8.7954174363898772974b-1 = 1.9655177733257701608b-2 %i + 8.7954174363898772974b-1 --rwg