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 01:21Z

iħ ∂ψ/∂t = Ĥψ

8ψ² + 7ψ + 0 = 0

168K

ω = 2πf

446K

10t² + 5t + 5 = 0

d/dx [x^9] = 9x^8

144K

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

371K

∇ × E = −∂B/∂t

\lim_{β\to 0} \frac{\sin β}{β} = 1

259K

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

86K

det| 8 7 ; 1 9 | = 65

∇ × E = −∂B/∂t

224K

∂z/∂φ = 7z

234K

\frac{12}{9} \sum_{i=1}^{n} i^{2}

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

218K

Fe₂O₃ + 3CO → 2Fe + 3CO₂

354K

ω = 2πf

∇²r = 0

70K