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 00:13Z

∑_{k=1}^{n} k = n(n+1)/2

\frac{8}{7} \sum_{i=1}^{n} i^{2}

168K

det| 11 5 ; 0 12 | = 132

446K

3x² + 3x + 6 = 0

\lim_{β\to 0} \frac{\sin β}{β} = 1

144K

N₂ + 3H₂ ⇌ 2NH₃

371K

∇²t = 0

e^{i\pi} + 1 = 0

259K

N₂ + 3H₂ ⇌ 2NH₃

86K

7z² + 2z + 0 = 0

ω = 2πf

224K

∑_{k=1}^{n} k = n(n+1)/2

234K

∂n/∂θ = 3n

218K

det| 7 4 ; 4 8 | = 40

354K

det| 8 9 ; 4 9 | = 36

70K