"x87#80387" . "80487" . "x87#80287" . "80387SX" . "co-processor" . "80387DX" . "X87" . "80387" . "FPU" . "Intel 80187" . "x87" . . "X87#80387" . "X87#80287" . . . "X87#80187" . "X87" . "x87#80187" . "x87 math coprocessors" . . "x87 math coprocessor" . . "x87 FPU" . "Intel x87" . "80287" . "80187" . "Intel 8087" . . "Intel 80387" . . "Intel 80287" . "X87#80487" . . "i387" . "floating-point capabilities" . "x87#80487" .