What is the primary use of a circular saw?

A circular saw uses a round, rotating, toothed blade to make straight cuts (both crosscuts and rip cuts) in wood, and with the proper blade in other materials. It is a versatile, portable power tool common in construction and carpentry. A jigsaw, by contrast, is used for curved or intricate cuts, and a drill makes holes. Always use the correct blade for the material and follow safety practices like keeping the guard in place and hands clear. Knowing what each power tool is designed to do — circular saw for straight cuts — is standard Shop Information content.