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

F = ma

168K

N₂ + 3H₂ ⇌ 2NH₃

446K

3x² + 3x + 6 = 0

∫₀^∞ e^(-r²) dr = √π / 2

144K

7γ² + 8γ + 3 = 0

371K

∇²t = 0

8γ² + 1γ + 1 = 0

259K

det| 12 9 ; 5 13 | = 111

86K

7z² + 2z + 0 = 0

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

224K

9θ² + 7θ + 4 = 0

234K

det| 4 2 ; 5 5 | = 10

8ψ² + 7ψ + 0 = 0

218K

N₂ + 3H₂ ⇌ 2NH₃

354K

8x² + 2x + 7 = 0

70K

iħ ∂ψ/∂t = Ĥψ

402K