Document Processor

x y

√x x^y x_y ∫_a^b ∑_iⁿ lim_x log_b ( x ) [ x ] ⁿ√x ∂x/∂y

∞ × ÷ ≠ ≤ ≥ ≈ ± ∓ · ∂ ∇ → ∈ ∉ ⊂ ∪ ∩

π θ α β γ δ ε λ μ σ ω φ Δ Σ Ω ψ ρ τ