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 20:39Z

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

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

46K

∫₀^∞ e^(-α²) dα = √π / 2

468K

CaCO₃ → CaO + CO₂

Fe₂O₃ + 3CO → 2Fe + 3CO₂

289K

∑_{k=1}^{n} k = n(n+1)/2

278K

e^{i\pi} + 1 = 0

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

339K

d/dx [x^3] = 3x^2

177K

∂x/∂r = 4x

N₂ + 3H₂ ⇌ 2NH₃

358K

∇²ω = 0

121K

det| 9 4 ; 1 10 | = 86

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F = G m₁m₂ / r²

316K