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 00:54Z

∑_{k=1}^{n} k = n(n+1)/2

∫₀^∞ e^(-t²) dt = √π / 2

168K

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

446K

3x² + 3x + 6 = 0

∑_{k=1}^{n} k = n(n+1)/2

144K

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

371K

∇²t = 0

N₂ + 3H₂ ⇌ 2NH₃

259K

det| 7 4 ; 4 8 | = 40

86K

2n² + 4n + 0 = 0

224K

\lim_{t\to 0} \frac{\sin t}{t} = 1

234K

C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂

218K