Calculate stress area and preload from nominal diameter, pitch, and grade.

Analyze linear tolerance stacks with worst-case, RSS, and sensitivity contribution views.

Generate an F-x chart from spring constant and displacement.

Compute tensile stress from force and cross-section area.

Compute torsional stress and twist angle from torque and shaft size.

Overview and entry point for gear design calculations.

Compute gear torque and transmitted forces.

Fast unit conversions for length, force, pressure, and energy.