Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 04:15Z
12r² + 6r + 1 = 0
\frac{4}{6} \sum_{i=1}^{n} i^{2}
168K
∑_{k=1}^{n} k = n(n+1)/2
4t² + 9t + 6 = 0
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
259K
∇²ψ = 0
F = ma
\binom{n}{k} = \frac{n!}{k!(n-k)!}
218K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
354K
det| 4 8 ; 7 5 | = -36
det| 9 4 ; 1 10 | = 86
70K
\lim_{α\to 0} \frac{\sin α}{α} = 1