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 14:57Z

F = ma

∑_{k=1}^{n} k = n(n+1)/2

168K

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

446K

det| 1 7 ; 6 2 | = -40

∇ × E = −∂B/∂t

144K

det| 9 4 ; 1 10 | = 86

371K

CaCO₃ → CaO + CO₂

9α² + 7α + 5 = 0

259K

Fe₂O₃ + 3CO → 2Fe + 3CO₂

86K

6n² + 1n + 6 = 0

2H₂ + O₂ → 2H₂O

224K

det| 2 8 ; 7 3 | = -50

234K

ΔS ≥ 0

218K

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

354K

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

70K