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

N₂ + 3H₂ ⇌ 2NH₃

168K

∑_{k=1}^{n} k = n(n+1)/2

446K

3x² + 3x + 6 = 0

det| 4 8 ; 3 5 | = -4

144K

det| 7 4 ; 4 8 | = 40

371K

∇²t = 0

Fe₂O₃ + 3CO → 2Fe + 3CO₂

259K

det| 10 7 ; 3 11 | = 89

86K

∫₀^∞ e^(-t²) dt = √π / 2

224K

∫₀^∞ e^(-x²) dx = √π / 2

234K

e^{i\pi} + 1 = 0

218K

∑_{k=1}^{n} k = n(n+1)/2

354K

PV = nRT

70K

\oint_C \vec{F}\cdot d\vec{r} = 0

402K