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

∑_{k=1}^{n} k = n(n+1)/2

168K

∇²ω = 0

446K

3x² + 3x + 6 = 0

iħ ∂ψ/∂t = Ĥψ

144K

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

371K

∇²t = 0

8ψ² + 7ψ + 0 = 0

259K

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

86K

7z² + 2z + 0 = 0

\lim_{γ\to 0} \frac{\sin γ}{γ} = 1

224K

e^{i\pi} + 1 = 0

234K

det| 4 2 ; 5 5 | = 10

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

218K

∂γ/∂θ = 2γ

354K

∇ × E = −∂B/∂t

70K