Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 06:53Z
det| 3 9 ; 6 4 | = -42
∑_{k=1}^{n} k = n(n+1)/2
∑_{k=1}^{n} k = n(n+1)/2
144K
2z² + 2z + 5 = 0
∑_{k=1}^{n} k = n(n+1)/2
259K
iħ ∂ψ/∂t = Ĥψ
∑_{k=1}^{n} k = n(n+1)/2
224K
det| 2 3 ; 5 3 | = -9
234K
∫₀^∞ e^(-t²) dt = √π / 2
det| 9 4 ; 1 10 | = 86
218K
det| 6 6 ; 5 7 | = 12
354K
det| 4 5 ; 7 5 | = -15
∑_{k=1}^{n} k = n(n+1)/2
70K
7r² + 7r + 5 = 0