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 03:55Z

∇ × E = −∂B/∂t

det| 5 3 ; 7 6 | = 9

168K

∑_{k=1}^{n} k = n(n+1)/2

446K

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

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

144K

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

371K

∂x/∂n = 6x

8θ² + 8θ + 6 = 0

259K

det| 9 4 ; 1 10 | = 86

86K

N₂ + 3H₂ ⇌ 2NH₃

224K

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

234K