This
book covers the following topics: Setting up the ZX81, The Sinclair ZX81 as a pocket calculator, Functions, Variables,
Strings, Computer programming Statements: RUN, LIST, GOTO, CONT, INPUT, NEW,
REM, PRINT, STOP in INPUT data BREAK, The character set, Looping, SLOW and FAST
Statements, Subroutines, Tape storage, Graphics, The ZX81 Printer, Arrays and
Organization of memory.
This page covers the following topics
related to Basic programming language : Beginning BASIC, Your First Program,
Beginning BASIC/PRINT, CLS, and END, Beginning BASIC/Variables and Data Types,
Beginning BASIC/User Input, Beginning BASIC/Documentation, Beginning
BASIC/Control Structures/IF...THEN...ELSEIF...ELSE, Beginning BASIC/Control
Structures/WHILE...WEND, Beginning BASIC/Control Structures/FOR...NEXT,
Beginning BASIC/Control Structures/DO...LOOP, Beginning BASIC/Control
Structures/GOTO, Random Number Generation, Subroutines and Functions, External
Libraries.