Need a great gift for your favorite math teacher? Our pi symbol key chain may be the perfect thing. Our pi symbol was cast from alloy metal and it measures approximately 2 inches --(we wanted to make it 3.14159265 inches, but we thought it would be too big:) It hangs from a standard size steel key ring and it comes packaged in a nice box with a small blank card on it with the pi symbol, so that you can write a small thoughtful note. It may also be a great prize for National Pi day! The number ? is a mathematical constant, the ratio of a circle's circumference to its diameter, approximately equal to 3.14159. It has been represented by the Greek letter "?" since the mid-18th century.
Pi Math Symbol Key Chain
MSRP:
Was:
$94.90
Now:
$47.45
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- SKU:
- P635259
- UPC:
- 0700153523431
- Condition:
- New
- Availability:
- Free Shipping from the USA. Estimated 2-4 days delivery.

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