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

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

320K

∑_{k=1}^{n} k = n(n+1)/2

144K

det| 1 9 ; 5 2 | = -43

det| 1 1 ; 5 2 | = -3

90K

iħ ∂ψ/∂t = Ĥψ

438K

AgNO₃ + NaCl → AgCl↓ + NaNO₃

∇²y = 0

394K

CaCO₃ → CaO + CO₂

29K

\oint_C \vec{F}\cdot d\vec{r} = 0

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

94K

∑_{k=1}^{n} k = n(n+1)/2

211K

N₂ + 3H₂ ⇌ 2NH₃

390K

det| 9 4 ; 1 10 | = 86

69K

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