E = mc²
∫ f(x) dx
PV = nRT
a² + b² = c²
σ² = E[X²] − E[X]²
Δ = b² − 4ac
NPV = Σ Cₜ / (1 + r)ᵗ
y = mx + c
∇ · E = ρ / ε₀
n! = n(n − 1)!
lim x→0
π ≈ 3.14159
sin²θ + cos²θ = 1
A = P(1 + r)ⁿ
e^(iπ) + 1 = 0
∂f / ∂x
μ = Σx / n
√(a² + b²)
F = ma
log₂ n
x = (−b ± √Δ) / 2a
C(n,k) = n! / k!(n − k)!
ROI = (G − C) / C
∮ B · dl = μ₀I
φ = (1 + √5) / 2
ln(xy) = ln x + ln y
dy / dx
λ = h / p
i² = −1
Σ (xᵢ − x̄)² / n
∫₀^∞ e^(−x²) dx
V = IR
P(A|B) = P(B|A)P(A) / P(B)
d = √((x₂ − x₁)² + (y₂ − y₁)²)
Assets = Liabilities + Equity
θ = tan⁻¹(y / x)
Σ 1/n² = π² / 6
g = 9.81 m/s²
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