Related Clues:

• It's up to this to disprove the potato
• Get to the root of making this pi, perhaps
• Blow it, by the sound of it, to make it like a potato
• The root of pi? That may be how you get to it
• Potato piper?
• The root of pi
• The way to get to the root of pi?
• Sounds as if one might arrive at the root of this
• To get to the root of this, pin up the groove
• 3 down
• What a brute of a spud!
• 64-Across, for one
• Rip nut up for vegetable
• Yam, e.g
• PI