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 05:16Z

det| 3 4 ; 0 4 | = 12

E = mc²

168K

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

446K

∇²t = 0

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

144K

det| 7 2 ; 7 8 | = 42

371K

7r² + 9r + 2 = 0

F = G m₁m₂ / r²

259K

∑_{k=1}^{n} k = n(n+1)/2

86K

11t² + 9t + 7 = 0

224K

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

234K

∇²β = 0

218K

∇ × E = −∂B/∂t

354K

det| 7 4 ; 4 8 | = 40

70K