Related Clues

• March 14, to mathematicians
• March 14, to math teachers
• Math nerds' annual 3/14 celebration
• Mid-March celebration ... or a hint to the starts of 18-, 25-, 44- and 57-Across
• When MIT mails acceptance letters
• 3/14, to Princetonians
• March 14, to math lovers
• March 14, to math fans
• March 14th, casually
• Observance that falls on the anniversary of Einstein's birth
• Annual math celebration
• March 14th, to mathematicians
• Constant celebration in March?
• March 14, mathematically
• March 14 celebration
• March 14
• March 14 observance
• Celebration on 3/14
• Irrational thing to celebrate?
• Math lover's March 14 celebration