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BEGIN
clrscr;
textcolor(2);
Writeln('Tutaj obliczysz pole trapezu. Długości zatwierdź Enterem.');
Writeln;
textcolor(magenta);
Write('Podaj długość boku a: ');
textcolor(yellow);
Readln(a);
Writeln;
textcolor(magenta);
Write('Podaj długość boku b: ');
textcolor(yellow);
Readln(b);
Writeln;
textcolor(magenta);
Write('Podaj długość wysokości h: ');
textcolor(yellow);
Readln(h);
Writeln;
P:=(a+b)*h/2;
Writeln;
Writeln;
textcolor(cyan) ;
Writeln('Pole trapezu wynosi: ',P:1:1);
Writeln;
Writeln;
Writeln;
textcolor(white);
Writeln('Aby wyłączyć program naciśnij Enter.');
Readln;
END;

Free Pascal Compiler version 2.6.4+dfsg-4 [2014/10/14] for i386
Copyright (c) 1993-2014 by Florian Klaempfl and others
Target OS: Linux for i386
Compiling prog.pas
prog.pas(2,7) Error: Identifier not found "clrscr"
prog.pas(3,10) Error: Identifier not found "textcolor"
prog.pas(6,10) Error: Identifier not found "textcolor"
prog.pas(6,18) Error: Identifier not found "magenta"
prog.pas(8,10) Error: Identifier not found "textcolor"
prog.pas(8,17) Error: Identifier not found "yellow"
prog.pas(9,9) Error: Identifier not found "a"
prog.pas(11,10) Error: Identifier not found "textcolor"
prog.pas(11,18) Error: Identifier not found "magenta"
prog.pas(13,10) Error: Identifier not found "textcolor"
prog.pas(13,17) Error: Identifier not found "yellow"
prog.pas(14,9) Error: Identifier not found "b"
prog.pas(16,10) Error: Identifier not found "textcolor"
prog.pas(16,18) Error: Identifier not found "magenta"
prog.pas(18,10) Error: Identifier not found "textcolor"
prog.pas(18,17) Error: Identifier not found "yellow"
prog.pas(19,9) Error: Identifier not found "h"
prog.pas(21,2) Error: Identifier not found "P"
prog.pas(21,6) Error: Identifier not found "a"
prog.pas(21,8) Error: Identifier not found "b"
prog.pas(21,11) Error: Identifier not found "h"
prog.pas(24,10) Error: Identifier not found "textcolor"
prog.pas(24,15) Error: Identifier not found "cyan"
prog.pas(25,34) Error: Identifier not found "P"
prog.pas(29,10) Error: Identifier not found "textcolor"
prog.pas(29,16) Error: Identifier not found "white"
prog.pas(32,4) Fatal: Syntax error, "." expected but ";" found
Fatal: Compilation aborted
Error: /usr/bin/ppc386 returned an error exitcode (normal if you did not specify a source file to be compiled)

Standard output is empty