Σ index Eq pack 19 Rxn set 20 Rxn set 26 Σ#24 Σ#12 Ledger /21 Eq pack 13 Ledger /3 Eq pack 1 Batch 16 Σ#18 Σ#6 Ledger /15 Batch 4

Field Notes / Σ /sym/3cad98

id=1 · host=formula-vault.cloud · 2026-10-20 23:08Z

∑_{k=1}^{n} k = n(n+1)/2

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

168K

iħ ∂ψ/∂t = Ĥψ

446K

det| 4 1 ; 4 5 | = 16

∇²r = 0

144K

iħ ∂ψ/∂t = Ĥψ

371K

∫₀^∞ e^(-x²) dx = √π / 2

F = G m₁m₂ / r²

259K

\frac{4}{9} \sum_{i=1}^{n} i^{2}

86K

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

11z² + 3z + 4 = 0

224K

∂γ/∂θ = 2γ

234K

Fe₂O₃ + 3CO → 2Fe + 3CO₂

218K

det| 9 4 ; 1 10 | = 86

354K