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 18:52Z

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

N₂ + 3H₂ ⇌ 2NH₃

320K

8ψ² + 7ψ + 0 = 0

144K

C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂

det| 12 9 ; 5 13 | = 111

90K

3r² + 2r + 0 = 0

438K

2r² + 6r + 5 = 0

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

394K

d/dt [t^3] = 3t^2

29K

E = mc²

3n² + 2n + 4 = 0

94K

∫₀^∞ e^(-x²) dx = √π / 2

211K

∂y/∂y = 3y

det| 7 3 ; 6 8 | = 38

390K

det| 7 9 ; 1 8 | = 47

69K

ΔS ≥ 0

∇ × E = −∂B/∂t

144K

∑_{k=1}^{n} k = n(n+1)/2

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