All links of Pari-GP

Macalester College Problem of the Week

---

Monthly Problem

---

Ken Duisenberg's Puzzle of the Week

---

Math Magic

---

Math Forum: Geometry Problem of the Week

---

Math Forum: Algebra Problem of the Week

---

Problem of the Month

---

Purdue University Problem of the Week

---

Math Forum: Discrete Math Problems of the Week

---

Math Forum: Math Fundamentals Problem of the Week

---

Math Forum: Problems of the Week

---

Problem of the Fortnight

---

IBM Research Ponder This

---

Pari-GP related site:

• Fanlore - How to Write Almost Readable Fan Fiction

• Online Writing Workshop for Science Fiction, Fantasy and Horror

• Fiona's Fear and Loathing

• Hellnotes

• Cafe Doom

• Horror Writers Association

• Dark Markets.com

• The Australian Horror Writers Association (AHWA)

• International Horror Guild

• Horror Tree