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Giving the computer instructions - Part III

21 Yet more on variables - Arrays 120

22 READ, DATA and RESTORE 126

23 Integer handling 130

24 String handling 135

25 Programming the User Defined function keys 141

26 Operator precedence 144

27 Error handling 147

28 Use of teletext mode (MODE 7) 150

29 Advanced Graphics: (logical, inverse, actual colours), PLOT, GCOL, animated graphics, user definable characters 160

30 Sound 180

31 File handling 188

32 Speeding up programs and saving memory space 194

The BBC Microcomputer User Guide was written by John Coll and edited by David Allen for the British Broadcasting Corporation.

Optical character recognition and original formatting effort by Mark Usher.

HTML version maintained by: Kade "Archer" Hansson; e-mail: archer@dialix.com.au

Last updated: Monday 12th February 2001