👉 Screw math is a mathematical framework used to describe the motion of objects that rotate around a fixed axis, often applied in fields like robotics, computer graphics, and engineering. It combines principles from linear algebra and differential geometry to model the position, velocity, and acceleration of a rotating object. The core concept involves a screw vector, which is a combination of a rotation axis and a distance along that axis. This allows for the precise calculation of how an object moves in 3D space, taking into account both its angular velocity (how fast it rotates) and its linear velocity (how fast it moves along the axis). The mathematical representation typically uses quaternions or rotation matrices to handle rotations, making it a powerful tool for simulating complex rotational dynamics.