The Intel 80C187 is a high-performance math coprocessor that extends the architecture of the 80C186 with floating-point extended integer and BCD data types A computing system that includes the 80C187 fully conforms to the IEEE Floating-Point Standard The 80C187 adds over seventy mnemonics to the instruction set of the 80C186 including support for arithmetic logarithmic exponential and trigonometric mathematical operations The 80C187 is implemented with 1 5 micron high-speed CHMOS III technology and packaged in both a 40-pin CERDIP and a 44-pin PLCC package The 80C187 is upward object-code compatible from the 8087 math coprocessor and will execute code written for the 80387DX and 80387SX math coprocessors