Σ index Batch 16 Eq pack 1 Rxn set 2 Ledger /3 Rxn set 8 Σ#18 Matrix 11 Eq pack 25 Eq pack 13 Ledger /9 Σ#24 Batch 10 Ledger /21

Field Notes / Σ /sym/3cad98

id=1 · host=formula-vault.cloud · 2026-10-21 10:36Z

CaCO₃ → CaO + CO₂

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

430K

d/dθ [θ^3] = 3θ^2

197K

det| 7 7 ; 5 8 | = 21

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

281K

8ψ² + 7ψ + 0 = 0

73K

∇²α = 0

∂γ/∂z = 6γ

143K

N₂ + 3H₂ ⇌ 2NH₃

248K

e^{i\pi} + 1 = 0

iħ ∂ψ/∂t = Ĥψ

246K

\oint_C \vec{F}\cdot d\vec{r} = 0

54K

∑_{k=1}^{n} k = n(n+1)/2

469K