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 00:10Z

∑_{k=1}^{n} k = n(n+1)/2

iħ ∂ψ/∂t = Ĥψ

168K

∂ψ/∂β = 3ψ

446K

3x² + 3x + 6 = 0

det| 9 4 ; 1 10 | = 86

144K

det| 10 2 ; 3 11 | = 104

371K

∇²t = 0

d/dψ [ψ^7] = 7ψ^6

259K

∇²β = 0

86K

PV = nRT

224K

2γ² + 5γ + 2 = 0

234K

F = G m₁m₂ / r²

218K

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

354K

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

70K