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 17:52Z

∫₀^∞ e^(-φ²) dφ = √π / 2

PV = nRT

320K

e^{i\pi} + 1 = 0

144K

det| 1 9 ; 5 2 | = -43

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

90K

det| 7 2 ; 7 8 | = 42

438K

AgNO₃ + NaCl → AgCl↓ + NaNO₃

8ψ² + 7ψ + 0 = 0

394K

6ω² + 4ω + 4 = 0

29K

N₂ + 3H₂ ⇌ 2NH₃

94K

\frac{4}{6} \sum_{i=1}^{n} i^{2}

211K

∑_{k=1}^{n} k = n(n+1)/2

390K

∇ × E = −∂B/∂t

69K

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

144K

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