Σ index Eq pack 19 Eq pack 13 Σ#12 Batch 22 Matrix 17 Σ#24 Batch 10 Ledger /9 Rxn set 8 Eq pack 25 Σ#18 Rxn set 26 Rxn set 14 Matrix 5 Ledger /3 Matrix 23

Field Notes / Σ /sym/3cad98

id=1 · host=formula-vault.cloud · 2026-10-19 20:44Z

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

N₂ + 3H₂ ⇌ 2NH₃

46K

∑_{k=1}^{n} k = n(n+1)/2

468K

CaCO₃ → CaO + CO₂

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

289K

det| 4 2 ; 6 5 | = 8

278K

e^{i\pi} + 1 = 0

PV = nRT

339K

∫₀^∞ e^(-θ²) dθ = √π / 2

177K

∂x/∂r = 4x

e^{i\pi} + 1 = 0

358K

4t² + 3t + 3 = 0

121K

∑_{k=1}^{n} k = n(n+1)/2

399K

PV = nRT

316K

det| 7 4 ; 4 8 | = 40

11K

iħ ∂ψ/∂t = Ĥψ

387K

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