Boolean is a logical calculus of truth values or set membership that represents relationships symbolically (as those implied by the logical operators AND, OR, and NOT) between entities (as sets, propositions, or on-off computer circuit elements).
Boolean - Logical Operator - OR
This is a simple illustrative example of Groovy code using an Equation-in-equation (EiE), in this case using the "!=" Boolean equation.
Kanish Calculator contains Two buttons that will help you do the following
into your equation's code or your constant's code. You can thus use anything that exists in to create something new and/or more powerful.Equation Editor and Constant Editor allow you to select from the library of equations, constants and data sets and to drag-and-drop these tokens