Simtel MSDOS Archive CDROM, June 1996.  Walnut Creek CDROM.
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 BASIC programming language
 path: \disc2\basic 
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555.zip      Simple 555 oscillator designer (.BAS source)
angel19b.zip AngeLIB 1.9b: MS PDS/BASIC 7.1 programming lib
asic400.zip  BASIC compiler, over 80 BASICA/QBASIC commands
basic2sb.zip Converts BASICA to structured Basic
basman1.zip  BASIC manual -- part 1 of 3
basman2.zip  BASIC manual -- part 2 of 3
basman3.zip  BASIC manual -- part 3 of 3
baswiz18.zip ASM/BASIC lib routines for QBasic/BASCOM/PDS
bltq13a.zip  BULLET for QB45/BASIC7/VBDOS, dBASE toolkit
bpp10.zip    Preprocessor for QBASIC/QuickBasic/BASCOM/PDS
bprep110.zip Adds conditionals/includes/defines to BASIC
bwb110e.zip  Bywater BASIC Interpreter 1.10, EXE and doc
bwb110s.zip  Bywater BASIC Interpreter 1.10, C source code
imb9003.zip  Inside Microsoft Basic - 03/90
imb9004.zip  Inside Microsoft Basic - 04/90
imb9005.zip  Inside Microsoft Basic - 05/90
imb9006.zip  Inside Microsoft Basic - 06/90
imb9007.zip  Inside Microsoft Basic - 07/90
imb9011.zip  Inside Microsoft Basic - 11/90
libwiz13.zip Hanlin's Library Wizard BASIC library manager
n_b_v200.zip DASoft's Nutz'n Bolts PowerBASIC v3.2 library
pbc22a.zip   PBClone: QB/PDS/VB-DOS library (1 of 2)
pbc22b.zip   PBClone: QB/PDS/VB-DOS library (2 of 2)
pbfaq051.zip PowerBASIC-FAQ v0.51 (March issue 1996)
pbsnd160.zip Sound Blaster Toolbox for PowerBASIC 3.x
pcl4pb43.zip Communications library for Power Basic
ppl4pb10.zip X/Y/Zmodem protocol library for Power Basic
softip.zip   Marquis Computing's BASIC Soft Tips magazine
tk6412.zip   TOK64: C64 basic interpreter for DOS
tsrbas20.zip Terminate and stay resident BASIC Interpreter
unpbas11.zip Unprotects GWBASIC/BASICA protected programs