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 20:25Z

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

Fe₂O₃ + 3CO → 2Fe + 3CO₂

46K

∇²r = 0

468K

CaCO₃ → CaO + CO₂

E = mc²

289K

det| 7 4 ; 4 8 | = 40

278K

e^{i\pi} + 1 = 0

F = G m₁m₂ / r²

339K

det| 12 9 ; 5 13 | = 111

177K

∂x/∂r = 4x

∑_{k=1}^{n} k = n(n+1)/2

358K

∇ × E = −∂B/∂t

121K

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

4t² + 3t + 3 = 0

399K

∂y/∂n = 5y

316K

det| 12 4 ; 4 13 | = 140

e^{i\pi} + 1 = 0

11K

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

387K

∑_{k=1}^{n} k = n(n+1)/2

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