Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 00:16Z
4y² + 8y + 1 = 0
\frac{12}{4} \sum_{i=1}^{n} i^{2}
46K
2H₂ + O₂ → 2H₂O
\binom{n}{k} = \frac{n!}{k!(n-k)!}
278K
\frac{10}{7} \sum_{i=1}^{n} i^{2}
∑_{k=1}^{n} k = n(n+1)/2
339K
det| 8 4 ; 7 9 | = 44
177K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
11K
det| 2 6 ; 1 3 | = 0
144K
det| 12 7 ; 7 13 | = 107
346K
det| 4 7 ; 0 5 | = 20
348K
\frac{6}{1} \sum_{i=1}^{n} i^{2}
396K