JS Arithmetic Operators

JavaScript Arithmetic Operators

https://www.w3schools.com/js/js_arithmetic.asp

https://en.owl.institute/my-account/my-courses/363602/947713/operators-data-types-and-other-priorities-javascript-as-a-pocket-calculator-arithmetic-operators#toc_ref_3.2

https://en.owl.institute/my-account/my-courses/363602/947713/type-conversion-and-numbers-which-aren-t-numbers#toc_ref_7.1