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 00:31Z

4y² + 8y + 1 = 0

det| 7 7 ; 4 8 | = 28

46K

11ψ² + 6ψ + 2 = 0

468K

2H₂ + O₂ → 2H₂O

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

289K

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

278K

\frac{10}{7} \sum_{i=1}^{n} i^{2}

∂y/∂n = 5y

339K

∇ × E = −∂B/∂t

177K

iħ ∂ψ/∂t = Ĥψ

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

358K

8ψ² + 7ψ + 0 = 0

121K

CaCO₃ → CaO + CO₂

∑_{k=1}^{n} k = n(n+1)/2

399K