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 20:13Z

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

N₂ + 3H₂ ⇌ 2NH₃

46K

∫₀^∞ e^(-t²) dt = √π / 2

468K

CaCO₃ → CaO + CO₂

∑_{k=1}^{n} k = n(n+1)/2

289K

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

278K

e^{i\pi} + 1 = 0

det| 7 8 ; 4 8 | = 24

339K

∂z/∂ψ = 1z

177K

∂x/∂r = 4x

PV = nRT

358K

det| 4 8 ; 3 5 | = -4

121K

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

F = G m₁m₂ / r²

399K

∇ × E = −∂B/∂t

316K

det| 12 4 ; 4 13 | = 140

det| 7 4 ; 4 8 | = 40

11K

∂α/∂ω = 3α

387K

∑_{k=1}^{n} k = n(n+1)/2

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