Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 01:19Z
iħ ∂ψ/∂t = Ĥψ
det| 9 4 ; 1 10 | = 86
446K
10t² + 5t + 5 = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
144K
∇ × E = −∂B/∂t
\binom{n}{k} = \frac{n!}{k!(n-k)!}
86K
det| 8 7 ; 1 9 | = 65
det| 10 7 ; 3 11 | = 89
224K
∑_{k=1}^{n} k = n(n+1)/2
234K
\frac{12}{9} \sum_{i=1}^{n} i^{2}
\frac{8}{6} \sum_{i=1}^{n} i^{2}
354K
ω = 2πf
\binom{n}{k} = \frac{n!}{k!(n-k)!}
402K