Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 04:26Z
12r² + 6r + 1 = 0
det| 3 7 ; 2 4 | = -2
168K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
446K
∑_{k=1}^{n} k = n(n+1)/2
4t² + 9t + 6 = 0
∑_{k=1}^{n} k = n(n+1)/2
259K
∇²ψ = 0
∫₀^∞ e^(-t²) dt = √π / 2
224K
det| 9 4 ; 1 10 | = 86
234K
F = ma
det| 8 9 ; 4 9 | = 36
218K
det| 4 8 ; 7 5 | = -36
∑_{k=1}^{n} k = n(n+1)/2
70K
ω = 2πf