Microcomputers and Teachers |
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Page 53
... data error message . ) 10 PRINT " THIS PROGRAM READS TWO NUMBERS FROM A DATA STACK , MULTIPLIES THEM AND GIVES THE PRODUCT " 20 DATA 3,8,10,16,20,50,8,100,7,40,12,7,27,1 30 ... piece of data 53 Looping in BASIC The Conditional Loop IF-THEN.
... data error message . ) 10 PRINT " THIS PROGRAM READS TWO NUMBERS FROM A DATA STACK , MULTIPLIES THEM AND GIVES THE PRODUCT " 20 DATA 3,8,10,16,20,50,8,100,7,40,12,7,27,1 30 ... piece of data 53 Looping in BASIC The Conditional Loop IF-THEN.
Page 54
... DATA ERROR message . You can prevent this out- of - data error with another IF - THEN statement and by putting in the data stack an extraneous piece of data to indicate the end . In the program above , insert the following : 15 IF X ...
... DATA ERROR message . You can prevent this out- of - data error with another IF - THEN statement and by putting in the data stack an extraneous piece of data to indicate the end . In the program above , insert the following : 15 IF X ...
Page 66
... piece of data . This process is repeated , but each time the program reaches step 60 , the value of I is increased by 1. When that value reaches 10 , it will complete the steps to step 60 and then will drop through to step 70 , which is ...
... piece of data . This process is repeated , but each time the program reaches step 60 , the value of I is increased by 1. When that value reaches 10 , it will complete the steps to step 60 and then will drop through to step 70 , which is ...
Contents
What Is a Microcomputer | 9 |
How to Access Hardware | 19 |
iii | 22 |
Copyright | |
12 other sections not shown
Common terms and phrases
30 PRINT 60 END RUN 90 GOTO Apple Apple II array Assignment BYTE central processing unit characters column computer literacy computer program computer usage computer's memory create Creative Computing data stack DATA statement digits disk drive dots encounters step example flow chart FOR-NEXT loop give GOTO GOTO 20 grades graph GRAPHICS COMMANDS hardware Howard Howard W HPLOT input number instructions journals label line number low resolution magazine matrix Micro microcom microcomputer operations out-of-data error output P.O. Box People's Computer Company Personal Computer piece of data POKE preprogrammed material press ENTER Press RETURN puter Radio Shack read only memory READY RESET rewind Rochelle Park Run the program screen SHIFT single copy Step 20 stop stored string subroutine Subscription tape or disk tape recorder teachers TRS-80 Model Type RUN Write a program