Related:

• define BITCOUNT(x) (((BX_(x)+(BX_(x)>>4)) & 0x0F0F0F0F) % 255) #define BX_(x) ((x) - (((x)>>1)&0x77777777) \ - (((x)>>2)&0x33333333) \ - (((x)>>3)&0x11111111)) -- Count the number of bits in a word.
• 1) X=Y ; Given 2) X^2=XY ; Multiply both sides by X 3) X^2-Y^2=XY-Y^2
  Subtract Y^2 from both sides 4) (X+Y)(X-Y)=Y(X-Y) ...
• This is a crude version of a more advanced utility that has never been written.
  -- From the X-windows xwud(1) man-page...
• Windows 95 undocumented "feature
• 1) X=Y ; Given 2) X^2=XY
  Multiply both sides by X 3) X^2-Y^2=XY-Y^2...
• Windows 95 really does have pre-emptive multitasking: It can boot and crash at the same time.
• A Multitasking Timex Sinclair -- Matt Sorrels in reference to Andrew running X-Window