Σ index Eq pack 7 Ledger /3 Batch 4 Matrix 17 Matrix 5 Σ#12 Rxn set 8 Matrix 23 Σ#18 Eq pack 1 Rxn set 2 Σ#6

Field Notes / Σ /sym/b26508

id=1 · host=uk.mattivster.me · 2026-10-18 16:15Z

∑_{k=1}^{n} k = n(n+1)/2

∑_{k=1}^{n} k = n(n+1)/2

320K

∇ × E = −∂B/∂t

144K

det| 8 9 ; 3 9 | = 45

det| 7 8 ; 4 8 | = 24

90K

\lim_{r\to 0} \frac{\sin r}{r} = 1

438K

E = mc²

\frac{8}{6} \sum_{i=1}^{n} i^{2}

394K

\binom{n}{k} = \frac{n!}{k!(n-k)!}

29K

det| 10 1 ; 6 11 | = 104

N₂ + 3H₂ ⇌ 2NH₃

94K

det| 7 4 ; 4 8 | = 40

211K

det| 2 6 ; 5 3 | = -24

det| 12 9 ; 5 13 | = 111

390K

\frac{2}{2} \sum_{i=1}^{n} i^{2}

69K

9θ² + 7θ + 4 = 0

144K

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