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 00:11Z

∑_{k=1}^{n} k = n(n+1)/2

det| 4 8 ; 3 5 | = -4

168K

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

446K

3x² + 3x + 6 = 0

2H₂ + O₂ → 2H₂O

144K

d/dφ [φ^1] = 1φ^0

371K

∇²t = 0

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

259K

∂x/∂ψ = 6x

86K

7z² + 2z + 0 = 0

∫₀^∞ e^(-t²) dt = √π / 2

224K

\lim_{ω\to 0} \frac{\sin ω}{ω} = 1

234K

det| 4 2 ; 5 5 | = 10

N₂ + 3H₂ ⇌ 2NH₃

218K

∇ × E = −∂B/∂t

354K

ω = 2πf

70K

8ψ² + 7ψ + 0 = 0

402K