Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 00:17Z
4y² + 8y + 1 = 0
2H₂ + O₂ → 2H₂O
det| 9 5 ; 2 10 | = 80
289K
\frac{10}{7} \sum_{i=1}^{n} i^{2}
det| 7 2 ; 7 8 | = 42
339K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
358K
\lim_{φ\to 0} \frac{\sin φ}{φ} = 1
121K
\frac{11}{4} \sum_{i=1}^{n} i^{2}
399K
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
316K
CH₄ + 2O₂ → CO₂ + 2H₂O
11K
det| 3 7 ; 3 4 | = -9
387K
d/dn [n^12] = 12n^11
144K
∑_{k=1}^{n} k = n(n+1)/2
67K
\frac{7}{7} \sum_{i=1}^{n} i^{2}
276K