NOTE2.TX INSTRUCTION BOOKS FOR U/W-FOCAL THERE IS NO INSTRUCTION BOOK FOR OS/8-U/W-FOCAL VERSION 4-E 'U/W-FOCAL' IS A 10-PAGE INTRODUCTION TO FOCAL'S CAPABILITIES 'INTRODUCTION TO U/W FOCAL FOR THE PDP/8' IS A 77 PAGE MANUAL FOR STAND ALONE (PAPER TAPE) U/W-FOCAL VERSION 4-E. IT PROVIDES THE THE BEST AVAILABLE DESCRIPTION OF MANY FOCAL MATH OPERATIONS 'INTRODUCTION TO U/W-FOCAL' IS A 44-PAGE MANUAL FOR STAND ALONE PAPER TAPE) FOCAL VERSION 4-C. IT IS MOSTLY REDUNDANT WITH THE VERSION 4-E MANUAL 'U/W-FOCAL' IS A 98-PAGE MANUAL COMPLETELY DESCRIBING OS/8 U/W-FOCAL VERSION 4-C. IT DESCRIBES ALL FEATURES OF OS/8 FOCAL VERSION 4-C. SOME OF THESE DESCRIPTIONS DO NOT APPLY TO VERSION 4-E 'VERSION 4-E RELEASE NOTES' AMEND THE OS/8 FOCAL MANUAL. XXXXXX.FC PROGRAMS DEMONSTRATE THE USE OF FOCAL .FC PGMS DATED 9/15/70 ARE FOR U/W-FOCAL VERSION 4C .FC PGMS DATED 10/15/70 ARE FOR U/W-FOCAL VERSION 4E IF ALL ELSE FAILS, CONSULT PGM LISTINGS TO DETERMINE WHICH FUNCTIONS ARE IMPLEMENTED IN THE VERSION THAT YOU ARE USING