Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 22:34Z
det| 5 1 ; 4 6 | = 26
∑_{k=1}^{n} k = n(n+1)/2
\frac{4}{6} \sum_{i=1}^{n} i^{2}
289K
det| 9 6 ; 7 10 | = 48
278K
12φ² + 4φ + 4 = 0
E = mc²
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
358K
det| 7 2 ; 7 8 | = 42
121K
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
316K
\frac{4}{8} \sum_{i=1}^{n} i^{2}
\binom{n}{k} = \frac{n!}{k!(n-k)!}
11K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
387K