Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 00:14Z
4y² + 8y + 1 = 0
2H₂ + O₂ → 2H₂O
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
278K
\frac{10}{7} \sum_{i=1}^{n} i^{2}
det| 4 5 ; 1 5 | = 15
339K
det| 6 1 ; 5 7 | = 37
358K
det| 1 7 ; 7 2 | = -47
121K
\frac{11}{4} \sum_{i=1}^{n} i^{2}
399K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
11K
\frac{10}{5} \sum_{i=1}^{n} i^{2}
144K
∫₀^∞ e^(-r²) dr = √π / 2
97K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
256K
\lim_{ψ\to 0} \frac{\sin ψ}{ψ} = 1
348K