Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 00:25Z
4y² + 8y + 1 = 0
det| 1 4 ; 3 2 | = -10
468K
2H₂ + O₂ → 2H₂O
∑_{k=1}^{n} k = n(n+1)/2
289K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
278K
\frac{10}{7} \sum_{i=1}^{n} i^{2}
\frac{8}{7} \sum_{i=1}^{n} i^{2}
339K
∑_{k=1}^{n} k = n(n+1)/2
177K
iħ ∂ψ/∂t = Ĥψ
det| 7 4 ; 4 8 | = 40
358K
CaCO₃ → CaO + CO₂
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
399K
∑_{k=1}^{n} k = n(n+1)/2
316K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
11K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
387K