Contents Introduction 1 Equipment required 1 Text conventions used in this manual 1 What this user guide can and can’t do 2 1 Getting started 3 Experimenting 5 Connecting up the cassette recorder 7 Leads 7 Volume 8 Running the WELCOME programs 8 The keyboard 11 Cursor control keys 13 Giving the computer instructions – Part 1 2 Commands 15 3 An introduction to variables 18 4 A simple program 20 Using the screen editor 22 Deleting part of a program 24 Removing a program 25 5 Recording programs on cassette 26 Saving a program on cassette 26 Checking a recording 27 Loading a program from cassette 27 Cataloguing a tape 28 What the numbers mean 28 6 Sample programs 30