Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 22:16Z
det| 5 1 ; 4 6 | = 26
\binom{n}{k} = \frac{n!}{k!(n-k)!}
468K
∑_{k=1}^{n} k = n(n+1)/2
\frac{4}{6} \sum_{i=1}^{n} i^{2}
289K
det| 2 6 ; 0 3 | = 6
278K
12φ² + 4φ + 4 = 0
∑_{k=1}^{n} k = n(n+1)/2
339K
det| 7 4 ; 4 8 | = 40
177K
E = mc²
det| 3 6 ; 0 4 | = 12
358K
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
121K
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
∑_{k=1}^{n} k = n(n+1)/2
399K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
316K
\frac{4}{8} \sum_{i=1}^{n} i^{2}