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 20:06Z

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

det| 3 7 ; 2 4 | = -2

46K

∂y/∂n = 5y

468K

CaCO₃ → CaO + CO₂

∇²t = 0

289K

det| 9 4 ; 1 10 | = 86

278K

e^{i\pi} + 1 = 0

CH₄ + 2O₂ → CO₂ + 2H₂O

339K

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

177K

1n² + 7n + 3 = 0

358K

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

121K

∑_{k=1}^{n} k = n(n+1)/2

399K

d/dθ [θ^3] = 3θ^2

316K