From the same desk
Keychordkeyboard shortcuts for every appFontduetfont pairings that just workColorchordcolor palettes in perfect harmonyScreenchordevery screen, true to sizeIconchordevery icon, in seven voicesPaperchordevery sheet, true to sizeLocalechordevery locale, formatted rightTimechordevery date-format token, in every languagePlugchordevery plug, every country, to scaleDialchordevery country code, dialed rightMimechordevery media type, straight from the registryNotechordevery note you can hear, and the math beneath itBlackboard-bold N, the standard symbol for the set of natural numbers. Note the convention trap: some authors include 0 in ℕ and others start at 1, so papers often clarify with ℕ₀ or ℕ⁺. Encoded as a standalone character, it pastes cleanly into plain text alongside ℤ, ℚ, and ℝ.
ℕU+2115ℕ\2115\u2115%E2%84%95