There's a bullet point in the TP3 section where the author's saying: I used TURBO-87.COM to compile the code with floating point support (no doubles, just

There's a bullet point in the TP3 section where the author's saying: I used TURBO-87.COM to compile the code with floating point support (no doubles, just single precision) to SMALLPT.COM (There's also a subroutine in the .com file which starts with an fninit instruction. :)