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

∑_{k=1}^{n} k = n(n+1)/2

168K

∇²t = 0

446K

3x² + 3x + 6 = 0

2H₂ + O₂ → 2H₂O

144K

∑_{k=1}^{n} k = n(n+1)/2

371K

∇²t = 0

∇²r = 0

259K

det| 9 4 ; 1 10 | = 86

86K

7z² + 2z + 0 = 0

6t² + 6t + 4 = 0

224K

\binom{n}{k} = \frac{n!}{k!(n-k)!}

234K

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

218K

∇²n = 0

354K

10n² + 6n + 2 = 0

70K

\lim_{ω\to 0} \frac{\sin ω}{ω} = 1

402K