page-1983-101-timex-sinclair-programming-tricks

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Gee Whiz37 Gee Whiz I: Smart Adder 5538 Gee Whiz II: Three-Digit Mystery 5639 Gee Whiz Ill: Yes/No Decision Maker 5640 Gee Whiz IV: First Alphabet Spotter 5741 Gee Whiz V: Second Alphabet Spotter 5842 Gee Whiz VI: Guess The Number 58Number Chrunching43 Memory Tester 6344 Number Reverser I 6445 Number Reverser II 6546 Number-Error Trapping 6547 Standard Deviation 6648 Percentages 6749 Logic Functions 6850 Above & Below a Line 6951 Factoring 7052 Which is Smallest? 7153 Which is Largest? 7254 Reciprocals 7355 Dump the Integer 7356 Averages 7457 Mid-Range Number 7458 Rounding Off 7559 Two-Digit Round Off 7660 Percent to Decimal 7761 Every 10th Answer 7762 Random Sampler 7863 Random Numbers: Zero To Nine 7964 Random Numbers: Distribution 8065 Random Numbers: Averages 8166 Random Numbers: Sorting High/Low 82
Money Matters67 Money Grows68 Shopper's Friend69 Car Payments70 To Nearest 95 Cents71 To the Nearest Penny72 Mark Up73 Percentage Off74 Doi lars & Cents75 Wages & Hours76 Invoicing77 Unit Price78 Bubble Sort79 Daily Code86878990919293939495969798Graphics80 Screen Full81 Sine Wave82 Hold That Pose83 Okay, Now Wave84 Create A Table85 Go To Black86 Centered Message87 Beautiful Braided Rug88 Circling Dot89 Making Things Move90 Window Twinklers91 Eyeball Scrambler92 Flashing Dot93 Snowfall94 Draw A Box I95 Draw A Box II96 Painting Exercises1031031031041051061071081081081091091<strong>101</strong><strong>101</strong>11111112
Page 3: IMEX/ SJ,NCLAIRODO zx-B'IRDGRAMMING
Page 6 and 7: FIRST EDITIONFIRST PRINTING©1983 b
Page 8 and 9: TipTable of ContentsPageIntroductio
Page 12 and 13: 97 Draw A Line98 Box Message99 Boxe
Page 14 and 15: The 101 programs in this handbook c
Page 16 and 17: author's training in writing BASIC-
Page 19 and 20: Fun & Games
Page 21 and 22: Program Listing10 RAND100 LET A=INT
Page 23 and 24: 140 IF R
Page 25 and 26: 130 PRINT •BACKWARD:•140 FOR J=
Page 27 and 28: 110 PRINT •PRESS ANY KEY TO PLAY
Page 29 and 30: 12 60-Second TimerA one-minute time
Page 31 and 32: 210 IF A$=•• THEN GOTO 200220 I
Page 33 and 34: convert those raw numbers to a batt
Page 35: The program here has a temporary su
Page 38 and 39: 1 Create a QuizOne of the most fasc
Page 40 and 41: line 10 for a.word. It is looking f
Page 42 and 43: program if you. don't get it right
Page 44 and 45: 90 PRINT100 PRINT "ADDRESS";TAB lO;
Page 46 and 47: 160 LET D$(7)=•sEE YOUR ANALYST"1
Page 48 and 49: 32 Sentence WriterPractice your Eng
Page 50 and 51: 160 IF GH THEN LET H=G180 GOTO 2020
Page 52 and 53: 30 PRINT A$;40 GOTO 1036 Question &
Page 55: Gee Whiz
Page 58 and 59: 38 Gee Whiz II:Three-Digit MysteryH
Page 60 and 61:
41 Gee Whiz V: SecondAlphabet Spott
Page 63:
Number Crunching
Page 66 and 67:
120 LET R::R+l125 LET W=j130 LET Z=
Page 68 and 69:
10 the computer asks for a number.
Page 70 and 71:
Program Listing10 PRINT •WHAT IS
Page 72 and 73:
25 INPUT Z30 IF Z=I THEN GOTO 8035
Page 74 and 75:
70 GOTO 2080 CLS90 PRINT "THE SMALL
Page 76 and 77:
60 CLS70 PRINT "THE FRACTIONAL PORT
Page 78 and 79:
30 INPUT N35 IF N>INT N THEN GOTO 5
Page 80 and 81:
Line 20 generates the numbers. Line
Page 82 and 83:
Random Numbers:Distr~butionEver won
Page 84 and 85:
110 PRINT "RANDOM NUMBERS TOTAL ";T
Page 87 and 88:
Money Matters
Page 89 and 90:
Shopper's FriendTake your computer
Page 91 and 92:
POST IS BEST BUYPOST UNIT=$0.08KELL
Page 93 and 94:
ending in 95 cents. For instance, a
Page 95 and 96:
100 LET D=l-0.0l*P110 LET R=W/D120
Page 97 and 98:
100 IF H>40 THEN GOTO 140110 LET W=
Page 99 and 100:
Unit price is total price divided b
Page 101:
The computer generates a table of r
Page 105 and 106:
80 Screen FullFill your video scree
Page 107 and 108:
gram lines to draw and seem to move
Page 109 and 110:
Program Listing10 CLS100 FOR L=g TO
Page 111 and 112:
There are a number of ways to get t
Page 113 and 114:
140 NEXT X200 LET X=INT(63*RND}210
Page 115 and 116:
Program Listing10 LET A$=• 1120 F
Page 117 and 118:
100 FOR Y=l5 TO 25 STEP 10110 FOR X
Page 119:
101 Random Bar GraphIf you don't ha
Page 123 and 124:
Appendix A:Sinclair BASIC WordsHere
Page 125:
StatementsCLEARCLSCONTCOPYDIMDIM $F
Page 129 and 130:
ooks from ARCsoft PublishersFor the
Page 132:
101 TIMEX 1000/Sinclair ZX-81Progra
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