Clue: Guide for numerical approximations?

Answer: ROUNDRULES

Length: 10

---

Similar Clues:

• Numerical comb. form (OCTA with 4 letters)
• Numerical combining form (OCTO with 4 letters)
• A fortune-teller's guide (PALM with 4 letters)
• Numerical word form (e.g. PENTA with 5 letters)
• Guide's forte (TOUR with 4 letters)
• Hotel guide org. (AAA with 3 letters)
• Author of "The Hitchhiker's Guide to the Galaxy" (ADAMS with 5 letters)
• Douglas who wrote "The Hitchhiker's Guide to the Galaxy" (ADAMS with 5 letters)
• "The Hitchhiker's Guide to the Galaxy" author (ADAMS with 5 letters)
• Guide (e.g. ADVISE with 6 letters)