To build the shared library, run the following command from the folder where files binding.gyp, math.cc, and math.h are present. It will generate appropriate file (.dll) in folder build/Release.\par
node-gyp clean configure build \par

node-gyp rebuild.\par
copy the resulting *.dll to wherever you need it.\par

C:\\Development\\Citrix\\Math\\build\\Release>\b dumpbin /exports math.dll\b0\par
\pard\sl240\slmult1 Microsoft (R) COFF/PE Dumper Version 14.12.25835.0\par
Copyright (C) Microsoft Corporation.  All rights reserved.\par
\pard\sa200\sl276\slmult1\par
Dump of file math.dll\par
File Type: DLL\par
  Section contains the following exports for math.dll\par
\pard\sl276\slmult1     00000000 characteristics\par
    FFFFFFFF time date stamp\par
        0.00 version\par
           1 ordinal base\par
           3 number of functions\par
           3 number of names\par
\pard\sa200\sl276\slmult1\par
    ordinal hint RVA      name\par
\pard\sl276\slmult1\par
          1    0 00001000 add = add\par
          2    1 00001010 minus = minus\par
          3    2 00001020 multiply = multiply\par
\pard\sa200\sl276\slmult1\par
  Summary\par
\pard\sl276\slmult1         2000 .data\par
        1000 .pdata\par
        9000 .rdata\par
        1000 .reloc\par
        1000 .rsrc\par
}