Every personal computer used to come with a built-in easy-to-use programming language for educational purposes and simple calculations. HotPaw Basic (Lite) is a Tiny Old-Fashioned BASIC interpreter which allows you to type in and run very short Basic programs right on your iPhone, iPad or iPod Touch. This Lite version of HotPaw Basic supports a maximum of 25 lines or statements per Basic program, and up to 2 saved programs. Line numbers are required. Supported Commands and Statement Keywords: run new list edit save load removefile let if then else endif dim data read restore for to step next while wend goto gosub return ? print input open close end stop def fn mat randomize cls : rem Functions: int() abs() sgn() rnd() sqr() exp() log() log10() sin() cos() tan() atn() len() val() asc() str$() chr$() hex$() mid$() ucase$() lcase$() right$() left$() field$() instr() eval() varptr() peek() timer() date$ time$ pi Operators: + - * / mod ^ = and or xor not See: http://www.hotpaw.com/rhn/basic/iphone/ for a more complete description of the Basic programming language syntax, commands and functions that this Basic (Lite) interpreter supports.