Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 23:51Z
∑_{k=1}^{n} k = n(n+1)/2
det| 10 7 ; 3 11 | = 89
446K
det| 4 1 ; 4 5 | = 16
∫₀^∞ e^(-x²) dx = √π / 2
det| 12 6 ; 0 13 | = 156
259K
\frac{3}{2} \sum_{i=1}^{n} i^{2}
86K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
\frac{4}{6} \sum_{i=1}^{n} i^{2}
224K
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
234K
\frac{9}{4} \sum_{i=1}^{n} i^{2}
det| 7 4 ; 4 8 | = 40
218K
\frac{8}{6} \sum_{i=1}^{n} i^{2}
402K