Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 04:53Z
12r² + 6r + 1 = 0
\frac{2}{2} \sum_{i=1}^{n} i^{2}
446K
∑_{k=1}^{n} k = n(n+1)/2
Fe₂O₃ + 3CO → 2Fe + 3CO₂
144K
4t² + 9t + 6 = 0
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
259K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
86K
∇²ψ = 0
F = ma
det| 12 1 ; 5 13 | = 151
218K
CaCO₃ → CaO + CO₂
det| 4 8 ; 7 5 | = -36
\lim_{α\to 0} \frac{\sin α}{α} = 1
ω = 2πf