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

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

168K

Fe₂O₃ + 3CO → 2Fe + 3CO₂

446K

∑_{k=1}^{n} k = n(n+1)/2

det| 1 4 ; 3 2 | = -10

144K

∇ × E = −∂B/∂t

371K

4t² + 9t + 6 = 0

7γ² + 8γ + 3 = 0

259K

det| 4 7 ; 2 5 | = 6

86K

∇²ψ = 0

e^{i\pi} + 1 = 0

224K

F = G m₁m₂ / r²

234K

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

218K

det| 7 4 ; 4 8 | = 40

354K

det| 8 9 ; 4 9 | = 36

70K