Microcode, which is a no-go for modern designs

[Johnny Eriksson]

> Few people (but most are right here) can recite PI to enough digits to 
> reach the level of inaccuracy.   And those who believe that PI is exactly 
> 22/7 are unaffected by FDIV.   (YES, some schools do still teach that!)

Why remember the digits, when a small program can provide them?

  +0un qn"E20Un' 0Uh 0uv HK
  Qn<j 0uq Qn*10/3Ui
  Qi<\+2*10+(Qq*qi)Ua 0LK Qi*2-1Uj Qa/QjUq Qa-(Qq*Qj)-2\10I$ Qi-1ui>
  Qq/10Ut Qh+Qt+48Uw Qw-58"E48Uw %v' Qv"N:Qv,1^T' QwUv Qq-(Qt*10)Uh>
  :Qv,1^T
  !Can you figure out what this macro does before running it?  It was
  written by Stan Rabinowitz with modifications by Mark Bramhall and
  appeared as the Macro of the Month in the Nov. 1977 issue of the TECO
  SIG newsletter, the "Moby Munger".  For information on the TECO Special
  Interest Group, write to Stan at P.O. Box 76, Maynard, Mass. 01754!

--Johnny