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 14:46Z

F = ma

F = ma

168K

N₂ + 3H₂ ⇌ 2NH₃

446K

det| 1 7 ; 6 2 | = -40

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

144K

det| 9 6 ; 0 10 | = 90

371K

CaCO₃ → CaO + CO₂

det| 7 4 ; 4 8 | = 40

259K

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

86K

6n² + 1n + 6 = 0

\frac{3}{2} \sum_{i=1}^{n} i^{2}

224K

∑_{k=1}^{n} k = n(n+1)/2

234K

∇ × E = −∂B/∂t

218K

\frac{8}{6} \sum_{i=1}^{n} i^{2}

354K