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 01:19Z

iħ ∂ψ/∂t = Ĥψ

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

168K

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

446K

10t² + 5t + 5 = 0

det| 6 6 ; 5 7 | = 12

144K

det| 7 4 ; 4 8 | = 40

371K

∇ × E = −∂B/∂t

9α² + 6α + 0 = 0

259K

∂γ/∂z = 6γ

86K

det| 8 7 ; 1 9 | = 65

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

224K

iħ ∂ψ/∂t = Ĥψ

234K

N₂ + 3H₂ ⇌ 2NH₃

218K

8x² + 2x + 7 = 0

354K

∑_{k=1}^{n} k = n(n+1)/2

70K