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 04:49Z

12r² + 6r + 1 = 0

N₂ + 3H₂ ⇌ 2NH₃

168K

∑_{k=1}^{n} k = n(n+1)/2

446K

∑_{k=1}^{n} k = n(n+1)/2

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

144K

det| 7 4 ; 4 8 | = 40

371K

4t² + 9t + 6 = 0

det| 5 2 ; 3 6 | = 24

259K

det| 10 2 ; 3 11 | = 104

86K

∇²ψ = 0

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

224K

Fe₂O₃ + 3CO → 2Fe + 3CO₂

234K

F = ma

CaCO₃ → CaO + CO₂

det| 4 8 ; 7 5 | = -36

\lim_{α\to 0} \frac{\sin α}{α} = 1

ω = 2πf

∑_{k=1}^{n} k = n(n+1)/2