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 01:00Z

iħ ∂ψ/∂t = Ĥψ

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

168K

det| 9 5 ; 1 10 | = 85

446K

10t² + 5t + 5 = 0

2γ² + 5γ + 2 = 0

144K

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

371K

∇ × E = −∂B/∂t

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

259K

det| 3 7 ; 2 4 | = -2

86K

det| 9 4 ; 1 10 | = 86

224K

∑_{k=1}^{n} k = n(n+1)/2

234K