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

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110 INPUT H120 PRINT H130 LET S=O.Ol*S140 LET C=Q*P150 LET T=C*S160 LET F=C+T+H170 LET A=INT(lOO*C+.5)/100180 LET B=INT(lOO*T+.5)/100190 LET D=INT(lOO*F+.5)/100200 CLS210 PRINT nTOTAL PRICE= $n;A220 PRINT nSALES TAX= $n;B230 PRINT nsHIPPING CHARGES = $n;H240 PRINT250 PRINT nINVOICE TOTAL= $n;D260 IF INKEY$=•• THEN GOTO 260270 CLS280 GOTO 10Sample RunQUANTITY SOLDl 78UNIT PRICE = $55.98SALES TAX RATE PERCENT =6SHIPPING CHARGES = $100TOTAL PRICE = $9964.44SALES TAX = $597.87SHIPPING CHARGES = $100INVOICE TOTAL = $10662.3177 Unit PriceSuppose you find 895 green Widgets and buy themfor $695. How much did each green Widget cost?Rounded off, $7.77.96
Unit price is total price divided by quantity. The quantitycan be expressed in weight, total numbers, etc. It worksthe same whether you are talking about pounds of coffee,yards of concrete, gallons of ice cream, boxes of books,or units of Widgets.This program asks for the name of the item, quantitypurchased and total price paid. It then displays quantity,name, total and unit price.Program Listing10 LET U=J620 PRINT nITEM NAME IS n;30 INPUT N$40 PRINT N$50 PRINT nQUANTITY OF ITEMS = n;60 INPUT Q70 PRINT Q80 PRINT nTOTAL PRICE PAID FOR ITEMS=$";90 INPUT P100 PRINT P110 LET U=P/Q120 PRINT N$;n UNIT PRICE = $";USample RunITEM NAME ISWIDGETSQUANTITY OF ITEMS =999TOTAL PRICE PAID FOR ITEMS = $14653BEEP WIDGETS UNIT PRICE = $14.66766878 Bubble SortHere's a handy routine, accepting lists of up to 10names and sorting them into alphabetical order. The sizeof the list is controlled by the DIM instruction in line 20.You can change it.97
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IMEX/ SJ,NCLAIRODO zx-B'IRDGRAMMING
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FIRST EDITIONFIRST PRINTING©1983 b
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TipTable of ContentsPageIntroductio
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Gee Whiz37 Gee Whiz I: Smart Adder
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97 Draw A Line98 Box Message99 Boxe
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The 101 programs in this handbook c
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author's training in writing BASIC-
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Fun & Games
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Program Listing10 RAND100 LET A=INT
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140 IF R
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130 PRINT •BACKWARD:•140 FOR J=
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110 PRINT •PRESS ANY KEY TO PLAY
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12 60-Second TimerA one-minute time
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210 IF A$=•• THEN GOTO 200220 I
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convert those raw numbers to a batt
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The program here has a temporary su
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1 Create a QuizOne of the most fasc
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line 10 for a.word. It is looking f
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program if you. don't get it right
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90 PRINT100 PRINT "ADDRESS";TAB lO;
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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=$0.08KELL
Page 93 and 94: ending in 95 cents. For instance, a
Page 95 and 96: 100 LET D=l-0.0l*P110 LET R=W/D120
Page 97: 100 IF H>40 THEN GOTO 140110 LET W=
Page 101: The computer generates a table of r
Page 105 and 106: 80 Screen FullFill your video scree
Page 107 and 108: gram lines to draw and seem to move
Page 109 and 110: Program Listing10 CLS100 FOR L=g TO
Page 111 and 112: There are a number of ways to get t
Page 113 and 114: 140 NEXT X200 LET X=INT(63*RND}210
Page 115 and 116: Program Listing10 LET A$=• 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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