In mathematics and physics, a **scalar** is a quantity that is fully described by a single numerical value (magnitude) and does not have any direction. Scalars can be contrasted with vectors, which have both magnitude and direction. Some common examples of scalars include: - Temperature (e.g., 30 degrees Celsius) - Mass (e.g., 5 kilograms) - Time (e.g., 10 seconds) - Distance (e.g., 100 meters) - Speed (e.
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