16 Beginning BASIC/Control Structures/GOTO.15 Beginning BASIC/Control Structures/DO.LOOP.
14 Beginning BASIC/Control Structures/FOR.NEXT.13 Beginning BASIC/Control Structures/WHILE.WEND.12 Beginning BASIC/Control Structures/IF.9 Beginning BASIC/Variables and Data Types.4.1.7.1 Input/Output, Mathematical Operators, Expressions.4.1.4 Character Strings and Numeric Constants.4.1.3 Convention for the Name of Variables.