Win a Free MoMath T-Shirt!

The Museum of Mathematics’ new office number, 212-542-0566, is also a math puzzle! You can create a valid equation from the phone number by inserting just two mathematical symbols (hint: one is an equal sign) somewhere between the digits 212-542-0566.

Congratulations to our winners!

Eloísa García Canseco, Eindhoven, The Netherlands
@MoMath1 what about 212=542-05*66 ?

Vivian Quintana
@momath1 Because 212 – 542 = -05 * 66 Is so eloquent and simple!

Paul Turgeon, New York City
Equation: 212-542=-05×66

Winners will receive one of the MoMath T-shirts below!

MoMath Intricate Pi T-ShirtMoMath Youth T-ShirtMoMath Youth T-Shirt Design

Official Rules

By entering the contest, you agree that your submission becomes the property of The Museum of Mathematics. You also authorize the use, without additional compensation, of your name and/or likeness and/or voice/photograph and city of residence for Museum of Mathematics promotion and/or advertising purposes.