C-PS/8 FOCAL, 1971
 1.05 C SYMBO2.RE
 1.10 L C FOCAL.TM
 1.20 C
 6.10 T "POWER OF TEN":20,"[E OR &]"!
 6.12 T "	E	 MAY BE CHANGED TO 	&	 IN THE INITIAL DIALOGUE"!
 6.15 T % 6.04
 6.20 T "SEE WHAT THE 	",% 6.04
 6.22 I ()6.25,6.6,6.6
 6.25 T "&"
 6.30 T "	 DOES TO LINE "
 6.35 T "6.55"
 6.40 T " FIRST WRITTEN THEN EXECUTED:"!
 6.50 W 6.55
 6.55 TYPE 1&1,7&3,1.23&-2,3.76&217,!!!!!
 6.58 G 6.9
 6.60 T "E	 DOES TO LINE 6.80 FIRST WRITTEN THEN EXECUTED:"!;W 6.8
 6.80 TYPE 1E1,7E3,1.23E-2,3.76E217,!!!!!
 6.90 C
 8.10 T "RUBOUT KEY"!
 8.20 T "WHEN WRITING A PROGRAM, ONE CHARACTER WILL BE ERASED EACH TIME"!
 8.30 T "THE RUBOUT KEY IS STRUCK; RUBOUT WILL SHOW AS A 	\	 --- THUS:"!
 8.40 T "	PLWEA\\\EASE	 BECOMES 	PLEASE	."!!!!!
10.10 T "CTRL/C   (PRESSING 	CTRL	 AND 	C	 AT THE SAME TIME)"!
10.20 T "WILL RETURN USER TO THE PS/8 MONITOR WHEN FOCAL IS USING PS/8"!
10.30 T "ROUTINES --- THE 	LIBRARY EXIT	 COMMAND IS PREFERRED FOR"!
10.40 T "LEAVING PS/8 FOCAL,1971.  CTRL/P IS THE BREAK CHARACTER."!!!!
12.10 T "CTRL/G   [BELL
]   (PRESSING 	CTRL	 AND 	G	 AT THE SAME TIME)"!
12.20 T "USED WITH THE 	MODIFY	 COMMAND TO CHANGE THE SEARCH CHARACTER."!!!!!
14.10 T "CTRL/L   (PRESSING 	CTRL	 AND 	L	 AT THE SAME TIME)"!
14.20 T "USED WITH 	MODIFY	 TO SKIP TO THE NEXT SEARCH CHARACTER."!!!!!
16.10 T "CTRL/P   (PRESSING 	CTRL	 AND 	P	 AT THE SAME TIME)"!
16.20 T "PS/8 FOCAL	S BREAK CHARACTER --- ENDS PROGRAM EXECUTION AND CAUSES"!
16.30 T "FOCAL TO PRINT ITS 	*	."!!!!
18.10 T "CTRL/Z   (PRESSING 	CTRL	 AND 	Z	 AT THE SAME TIME)"!
18.20 T "IS THE LAST CHARACTER IN A PS/8 FOCAL DATA FILE.  ATTEMPTS TO READ"!
18.30 T "PAST THE END-OF-FILE WILL CAUSE A 	
	 TO BE TYPED ON THE TERMINAL"!
18.40 T "AND WILL RESTORE THE TERMINAL AS THE INPUT DEVICE."!!!!
21.10 T "LINE FEED"!
21.20 T "USED WITH THE 	MODIFY	 COMMAND TO RETAIN REMAINDER OF MODIFIED LINE."!!!!
22.10 T "KILL LINE":20,"["
22.20 S X=FOUT(223)
22.30 T "]  (BACK ARROW)"!
22.40 T "WHEN WRITING A PROGRAM, 	";D 22.2;T "	 DELETES EVERYTHING"
22.50 T " OVER TO LEFT MARGIN."!
22.60 T "IN RESPONSE TO 	ASK	 COMMAND, 	";D 22.2;T "	 KILLS "
22.70 T "THE NUMBER BEING ENTERED."!!!!
23.10 T "RETURN KEY"!
23.20 T "USED WITH THE 	MODIFY	 COMMAND TO DELETE REMAINDER OF MODIFIED LINE."!
23.30 T "	RETURN	 IS A LEGAL SYMBOL FOR SEPARATING DATA PROVIDED TO AN 	ASK	"!
23.40 T "COMMAND."!!!!
24.10 T "ALT MODE KEY (	ESCAPE	 OR 	PREFIX	 ON SOME TERMINALS)"!
24.20 T "IN RESPONSE TO AN 	ASK	 COMMAND, ALT MODE RETAINS THE PREVIOUS"!
24.30 T "VALUE OF THE VARIABLE."!!!!
25.10 T "SPACE KEY"!
25.20 T "IT IS A LEGAL SYMBOL FOR SEPARATING DATA REQUESTED BY AN 	ASK	"!!!!
26.10 T "COMMA":20,"[,]"!
26.15 T %6.04
26.20 T "IT IS A LEGAL SYMBOL FOR SEPARATING DATA IN TYPE AND ASK COMMANDS."!
26.30 D 6.2;T ",";D 6.3;T "26.40";D 6.4;W 26.4
26.40 TYPE 2,3,5/6,12^3,!!!!
27.10 T "SEMICOLON":20,"[;]"!
27.20 T "SEPARATES COMMANDS WHEN PLACED TOGETHER ON ONE LINE"!
27.30 D 6.2;T ";";D 6.3;T "27.42";D 6.4;W 27.42
27.42 SET X=17;TYPE 3*X;SET X=3/7; TYPE "   ",X+3,!!!!
28.10 G 28+Q
28.20 L R FUNCT1.RE 1.2
28.41 G 28.43
28.43 L R HELP 4.7