Add numeric fundamentals primer to Arithmetic section#565
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SeanTAllen merged 3 commits intomainfrom Mar 4, 2026
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The Arithmetic tutorial page assumed readers already understood integer widths, signed vs. unsigned representation, and overflow/underflow. Since Pony may be a learner's first language where these concepts matter, this adds a short Numeric Fundamentals section before the Pony-specific material, with a skip-ahead link for experienced readers. Also fixes a factual error: "one's complement" was incorrect — Pony (and all modern hardware) uses two's complement for signed integers. The surrounding sentence was rewritten for clarity. Closes #486
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The numeric fundamentals section uses <sup> for exponentiation notation (e.g., 2^N). The default MD033 rule disallows all inline HTML, so this allows the sup element specifically.
jemc
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Mar 4, 2026
Co-authored-by: Joe Eli McIlvain <joe.eli.mac@gmail.com>
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Adds a short Numeric Fundamentals section to the Arithmetic tutorial page, covering integer widths, signed vs. unsigned representation, and overflow/underflow. These concepts are assumed knowledge on the current page but may be new to readers for whom Pony is their first language where they matter. The section includes a skip-ahead link for experienced readers.
Also fixes a factual error: "one's complement" → "two's complement" (Pony and all modern hardware use two's complement for signed integers), and rewrites the surrounding sentence for clarity.
Closes #486