This document discusses a digital signature that was not verified. The signature was created by PPPG Matematika in Yogyakarta, Indonesia on October 16, 2004 at 9:38:30 AM local time. The reason for the signature related to the production of materials from PPPG Matematika.

1. Signatu
re Not
Verified
PPPG
Matematika
Digitally signed by PPPG Matematika
DN: cn=PPPG Matematika, o=PPPG
Matematika, c=ID
Date: 2004.10.16 09:38:30 +08'00'
Reason: Produksi PPPG Matematika
Location: Yogyakarta

2. Daftar Isi