Ring Theory Engagement Card

For when math lover get engaged! 

Isn't it so amazing that there is such a thing as the Ring Theory in mathematics? Then, an example of a mathematical ring is the set of all integers (let's call it "Z") as depicted on this card, with its numbers arranged in a circular pattern as if it were a ring.

You couldn't find a more perfect math engagement card.

Greeting: Happy Engagement
Inside: blank
Size: 5.5 x 4.25 in (14 x 10.8 cm)
Quantity: 1 card with envelope

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