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 04:14Z

12r² + 6r + 1 = 0

E = mc²

168K

∇ × E = −∂B/∂t

446K

∑_{k=1}^{n} k = n(n+1)/2

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

144K

11t² + 6t + 6 = 0

371K

4t² + 9t + 6 = 0

AgNO₃ + NaCl → AgCl↓ + NaNO₃

259K

det| 10 2 ; 3 11 | = 104

86K

∇²ψ = 0

8ψ² + 7ψ + 0 = 0

224K

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

234K

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

218K