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 00:04Z

∑_{k=1}^{n} k = n(n+1)/2

∑_{k=1}^{n} k = n(n+1)/2

168K

∑_{k=1}^{n} k = n(n+1)/2

446K

3x² + 3x + 6 = 0

\lim_{α\to 0} \frac{\sin α}{α} = 1

144K

ω = 2πf

371K

∇²t = 0

iħ ∂ψ/∂t = Ĥψ

259K

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

86K

det| 8 3 ; 5 9 | = 57

224K

\lim_{β\to 0} \frac{\sin β}{β} = 1

234K

C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂

218K