E = mc² F = ma ∫ f(x)dx ∇ × B = μ₀J PV = nRT ΔG = ΔH − TΔS ∂²ψ/∂x² λ = h/p ΣF = 0 dx/dt H₂SO₄ ∮ E·dA Kₐ = [H⁺][A⁻]/[HA] V = IR ΔpΔx ≥ ℏ/2 CH₃COOH ∇²φ = 0 mol = g/M a² + b² = c² pH = −log[H⁺] τ = r × F NaOH + HCl → NaCl Σ n(n+1)/2 ψ = Ae^(ikx) q = mcΔT sin²θ + cos²θ = 1 C₆H₁₂O₆ ∂f/∂x = 0