Formula Ledger /sym/7ab403
id=1 · host=findroms.cloud · 2026-10-18 17:56Z
\lim_{φ\to 0} \frac{\sin φ}{φ} = 1
∇ × E = −∂B/∂t
∫₀^∞ e^(-x²) dx = √π / 2
406K
∫₀^∞ e^(-t²) dt = √π / 2
429K
det| 2 9 ; 0 3 | = 6
det| 7 4 ; 4 8 | = 40
231K
∑_{k=1}^{n} k = n(n+1)/2
195K
∑_{k=1}^{n} k = n(n+1)/2
CaCO₃ → CaO + CO₂
∇²y = 0
1θ² + 5θ + 5 = 0
12φ² + 8φ + 5 = 0
ω = 2πf