Learn the arithmetic first, then keep the powers-of-two table bookmarked — it's the one you'll actually reach for when sizing memory, storage, or buffers.

Guides

Number Systems: Binary, Octal & Hex Arithmetic

Understanding alternative number systems — fundamental to system administration, programming, and how computers represent and manipulate data.

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Powers of Two, 0–64 Reference

Every power of two from 2⁰ to 2⁶⁴, with binary prefixes and real-world context — cache lines, page sizes, storage tiers, and the practical 64-bit addressing ceiling.

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