a+b*i, the first complex number, and c+d*i, the second complex number, where "i" is the imaginary unit. , Complex numbers The calculator displays complex number and its conjugate on the complex plane, evaluate complex number absolute value and principal value of the argument. Lesson Plan Template created in MS Word. There are different types of document formats and templates available to the users of computers and the internet. These two technological breakthroughs have made the lives of individuals and professionals very fast and convenient.With Teachers Printables in PDF format, you can download and print attendance charts, lesson plan forms, school calendars, and more (requires an application that can read PDF files). Customizable Teachers Printables are also available in DOC format (requires Microsoft Word, Google Docs, or a compatible word processor).