# value_tracker Simple mobjects that can be used for storing (and updating) a value. ### Classes | [`ComplexValueTracker`](manim.mobject.value_tracker.ComplexValueTracker.md#manim.mobject.value_tracker.ComplexValueTracker) | Tracks a complex-valued parameter. | |-------------------------------------------------------------------------------------------------------------------------------|-------------------------------------------------------------------| | [`ValueTracker`](manim.mobject.value_tracker.ValueTracker.md#manim.mobject.value_tracker.ValueTracker) | A mobject that can be used for tracking (real-valued) parameters. |