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 00:52Z

∑_{k=1}^{n} k = n(n+1)/2

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

168K

iħ ∂ψ/∂t = Ĥψ

446K

3x² + 3x + 6 = 0

det| 9 4 ; 1 10 | = 86

144K

∫₀^∞ e^(-θ²) dθ = √π / 2

371K

∇²t = 0

8θ² + 8θ + 6 = 0

259K

∇²β = 0

86K

det| 2 3 ; 5 3 | = -9

224K

N₂ + 3H₂ ⇌ 2NH₃

234K

∑_{k=1}^{n} k = n(n+1)/2

218K

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

354K

\lim_{t\to 0} \frac{\sin t}{t} = 1

70K