(TEL) 5
 (TXT) font_questions.txt
 (QRY) 9
 (TXT) operands.txt
 (QRY) 9
 (TXT) ps_books.txt
 (QRY) 5
 (TXT) ps_ops.txt
 (QRY) d
 (TXT) ps_symbols.txt
 (ERR)