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Sale Price $7.27.
Original Price $8.55 Comp. value
per keychain
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Counting in Binary Keychain
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Style
Aluminum Circle
+$2.25
+$2.25
+$10.95
+$10.95
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About This Design
Counting in Binary Keychain
"In mathematics and computer science, the binary numeral system, or base-2 numeral system, represents numeric values using two symbols: 0 and 1. More specifically, the usual base-2 system is a positional notation with a radix of 2. Numbers represented in this system are commonly called binary numbers. Because of its straightforward implementation in digital electronic circuitry using logic gates, the binary system is used internally by almost all modern computers and computer-based devices such as mobile phones.
Customer Reviews
4.6 out of 5 stars rating5.4K Total Reviews
5,405 Reviews
Reviews for similar products
5 out of 5 stars rating
By Ali Y.February 4, 2026 • Verified Purchase
Aluminum Circle, 2"
Lovely & cute keychains i love them thank you sooo much ,they also reached to me soo fast 😍.
5 out of 5 stars rating
By linda f.June 18, 2025 • Verified Purchase
Premium Round, Small (1.44")
So cute and this is perfect!!!
5 out of 5 stars rating
By V.August 21, 2023 • Verified Purchase
Zazzle Reviewer Program
Beyond expectations. Choice of artwork is overwhelming, I found exactly what I needed from SJW_Graphics. Detail, colors, overall design looks great on this keyring. Could use as a pendant, purse charm, bookmark, too! Metal is sturdy without being heavy. Colors beautiful, with clear margins. Customized name makes this gift extra special. So many fonts, so many colors & sizes!
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Product ID: 146924938324903676
Created on: 2/12/2009, 11:14 PM
Rating: G
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