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 18:21Z

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

\frac{8}{7} \sum_{i=1}^{n} i^{2}

320K

∇²y = 0

144K

C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂

det| 1 2 ; 7 2 | = -12

90K

11φ² + 7φ + 7 = 0

438K

2r² + 6r + 5 = 0

∇ × E = −∂B/∂t

394K

F = G m₁m₂ / r²

29K

E = mc²

C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂

94K

∇²r = 0

211K

∂y/∂y = 3y

det| 7 4 ; 4 8 | = 40

390K

4x² + 5x + 2 = 0

69K

ΔS ≥ 0

∑_{k=1}^{n} k = n(n+1)/2

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