C-8K FOCAL @1969

01.10 T "PROGRAM FOR DETERMINING THE OPTIMUM CHARACTERISTICS"!
01.11 T "FOR A 16MM MOTION PICTURE THEATER"!
01.20 A "WHAT IS THE PROPOSED SEATING CAPACITY OF THIS THEATER?" C
01.30 I (C-20)1.4,2.1,2.2
01.40 T "SORRY, BUT " FITR(C), "PERSONS ARE TOO FEW TO BUILD A"!
01.41 T "THEATER FOR.";G 9.1

02.10 T "THAT IS A PRETTY SMALL AUDIENCE!  HOWEVER...."!
02.20 S WW=FSQT(C/1.5)
02.30 S D=W*5
02.40 I (W-18)3.1,3.1,2.5
02.50 T "SORRY, BUT " FITR(C)," PERSONS ARE BEYOND THE CAPA-"!
02.51 T "CITY OF AN OPTIMIZED 16MM THEATER USING ANY CURRENTLY"!
02.52 T "AVAILABLE PROJECTION EQUIPMENT."!;G 9.1

03.10 I (W-12.5)3.3,3.3,3.2
03.20 T "IN ORDER TO GET SUFFICIENT IMAGE BRILLIANCE ON THE SCREEN"!
03.21 T "FOR YOUR PROPOSED AUDIENCE OF" FITR(C), " PERSONS, YOUR"!
03.22 T "PROJECTOR WILL HAVE TO BE EQUIPPED WITH A CARBON OR "!
03.23 T "XENON ARC LIGHT SOURCE."!
03.30 T "YOUR THEATER WILL HAVE TO BE AT LEAST" FITR(D)," FEET"!
03.31 T (D-FITR(D))*12," INCHES DEEP -- THE RECOMMENDED"!
03.32 T "DISTANCE OF YOUR LAST ROW OF SEATS FROM THE SCREEN."!
03.33 T "THE LAST ROW SHOULD BE NO MORE THAN " FITR(D*.6)," FEET"!
03.34 T ((D*.6)-FITR(D*.6))*12," INCHES WIDE. THE FIRST ROW"!
03.35 T "OF SEATS SHOULD BE NO CLOSER THAN " FITR(D/4), " FEET"!
03.36 T ((D/4)-FITR(D/4))*12," INCHES FROM THE SCREEN. THE PROJECTOR"!
03.37 T "MAY BE LOCATED SOMEWHAT BEHIND THE LAST ROW OF SEATS,"!
03.38 T "BUT A PROJECTION LENS WITH AN APPROPRIATE FOCAL LENGTH"!
03.39 T "MUST BE CHOSEN TO PROJECT AN IMAGE" FITR(W)," FEET"!
03.40 T (W-FITR(W))*12, " INCHES WIDE. THIS IS THE RECOMMENDED"!
03.41 T "WIDTH OF THE SCREEN. THESE ARE YOUR THEATER'S PARAMETERS"!

09.10 Q
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