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 00:29Z

∑_{k=1}^{n} k = n(n+1)/2

∫₀^∞ e^(-x²) dx = √π / 2

168K

F = G m₁m₂ / r²

446K

3x² + 3x + 6 = 0

iħ ∂ψ/∂t = Ĥψ

144K

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

371K

∇²t = 0

8ψ² + 7ψ + 0 = 0

259K

det| 9 8 ; 3 10 | = 66

86K

7z² + 2z + 0 = 0

N₂ + 3H₂ ⇌ 2NH₃

224K

∑_{k=1}^{n} k = n(n+1)/2

234K

det| 4 2 ; 5 5 | = 10

det| 12 2 ; 2 13 | = 152

218K

det| 11 4 ; 5 12 | = 112

354K

2H₂ + O₂ → 2H₂O

iħ ∂ψ/∂t = Ĥψ