... (Sampled) Functions."fx0x 1 ,()x0x 1 +=fx0x 1 ,()x0x 1 +2 x0x 1 ×,=fx0… xm 1 ,,()y0… yn 1 ,,=fx() x 2+=fx0x 1 ,()3 x0× x 1 +=PDF 32000 -1: 20082 © Adobe Systems Incorporated ... practical use. Table 1 – White-space characters Decimal Hexadecimal Octal Name0 00 000 Null (NUL)9 09 011 HORIZONTAL TAB (HT) 10 0A 012 LINE FEED (LF) 12 0C 014 FORM FEED (FF) 13 0D 015 CARRIAGE RETURN ... Since then, PDF has gone through seven revisions designated as: PDF 1. 1, PDF 1. 2, PDF 1. 3, PDF 1. 4, PDF 1. 5, PDF 1. 6 and PDF 1. 7. All non-deprecated features defined in a previous PDF version...