Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 00:04Z
4y² + 8y + 1 = 0
AgNO₃ + NaCl → AgCl↓ + NaNO₃
46K
2H₂ + O₂ → 2H₂O
det| 10 4 ; 2 11 | = 102
278K
\frac{10}{7} \sum_{i=1}^{n} i^{2}
∑_{k=1}^{n} k = n(n+1)/2
339K
∑_{k=1}^{n} k = n(n+1)/2
177K
det| 9 4 ; 1 10 | = 86
358K
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
399K
\frac{5}{3} \sum_{i=1}^{n} i^{2}
316K
∫₀^∞ e^(-ω²) dω = √π / 2
387K
det| 4 1 ; 0 5 | = 20
144K
\lim_{t\to 0} \frac{\sin t}{t} = 1
67K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
276K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
348K