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 00:12Z

∑_{k=1}^{n} k = n(n+1)/2

ω = 2πf

168K

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

446K

3x² + 3x + 6 = 0

7y² + 9y + 1 = 0

144K

det| 7 2 ; 7 8 | = 42

371K

∇²t = 0

8ψ² + 7ψ + 0 = 0

259K

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

86K

det| 4 2 ; 6 5 | = 8

224K

∑_{k=1}^{n} k = n(n+1)/2

234K

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

218K

∇ × E = −∂B/∂t

354K

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

70K