Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 00:11Z
4y² + 8y + 1 = 0
det| 1 5 ; 4 2 | = -18
46K
∑_{k=1}^{n} k = n(n+1)/2
468K
2H₂ + O₂ → 2H₂O
∑_{k=1}^{n} k = n(n+1)/2
289K
\frac{10}{7} \sum_{i=1}^{n} i^{2}
iħ ∂ψ/∂t = Ĥψ
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
358K
det| 12 7 ; 5 13 | = 121
121K
CaCO₃ → CaO + CO₂
\binom{n}{k} = \frac{n!}{k!(n-k)!}
399K
det| 6 9 ; 4 7 | = 6
316K
det| 9 8 ; 1 10 | = 82
\lim_{α\to 0} \frac{\sin α}{α} = 1
144K
det| 7 4 ; 4 8 | = 40
97K
\lim_{n\to 0} \frac{\sin n}{n} = 1
338K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
346K