= Plan 9 =
https://lsub.org/who/nemo/9.intro.pdf

= old,misc,cleanup =
calculus textbook epub 검색결과:

FREE CALCULUS TEXTBOOKS: Introduction to Calculus I and II
http://www.math.odu.edu/~jhh/counter10.html

오래된 책 published in 1910; 11M PDF
https://en.wikipedia.org/wiki/Calculus_Made_Easy
----
TurboAssembler
http://bitsavers.informatik.uni-stuttgart.de/pdf/borland/turbo_assembler/Turbo_Assembler_Version_5_Users_Guide.pdf

TurboDebugger
ftp://bitsavers.informatik.uni-stuttgart.de/pdf/borland/turbo_assembler/Turbo_Debugger_Version_5_Users_Guide.pdf
----