What does 80387 mean?

80387 meaning in Computer Science Dictionary

The 80387DX is a mathematical coprocessor produced by Intel for i386 distinct CPUs. It allowed the i386 to do floating-point arithmetic in hardware, significantly improving the speed of calculation for those of you specific businesses. The 80387 had been available as either the 80387SX or 80387DX, the 80387DX premiered in 1987, couple of years following the first i386 processors.