N
S
E = mc²
∫ f(x) dx
H₂O ⚗️
∑ n = n(n+1)/2
F = ma
sin²θ + cos²θ = 1
λ = h/p
π ≈ 3.14159
√(x² + y²)
c = 3×10⁸ m/s
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