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 20:50Z

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

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

46K

∇ × E = −∂B/∂t

468K

CaCO₃ → CaO + CO₂

6t² + 6t + 4 = 0

289K

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

278K

e^{i\pi} + 1 = 0

det| 7 4 ; 4 8 | = 40

339K

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

177K

∂x/∂r = 4x

11t² + 9t + 7 = 0

358K

F = G m₁m₂ / r²

121K

∑_{k=1}^{n} k = n(n+1)/2

399K

d/dθ [θ^3] = 3θ^2

316K