prog.pas:1: warning: missing program header
prog.pas: In main program:
prog.pas:10: error: undeclared identifier `power' (first use in this routine)
prog.pas:10: error: (Each undeclared identifier is reported only once
prog.pas:10: error: for each routine it appears in.)
prog.pas:11: error: undeclared identifier `roundto' (first use in this routine)