Utilisateur
A = π * r^2
y = mx + b
Calculating the length of a side in a right triangle
A = P(1 + r)^n
y = 4x + 1
V = π * r^2 * h
x = (-b ± √(b^2 - 4ac)) / 2a
A = 0.5 * b * h
m = (y2 - y1) / (x2 - x1)
mean