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 06:49Z

det| 3 9 ; 6 4 | = -42

∫₀^∞ e^(-t²) dt = √π / 2

168K

∑_{k=1}^{n} k = n(n+1)/2

446K

∑_{k=1}^{n} k = n(n+1)/2

det| 9 4 ; 1 10 | = 86

144K

\frac{4}{6} \sum_{i=1}^{n} i^{2}

371K

2z² + 2z + 5 = 0

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

259K

Fe₂O₃ + 3CO → 2Fe + 3CO₂

86K

4t² + 3t + 3 = 0

224K

det| 5 2 ; 3 6 | = 24

234K

CH₄ + 2O₂ → CO₂ + 2H₂O

218K

∂α/∂r = 8α

354K

PV = nRT

70K