We present a multiple case study wherein one institution established new communities of practice supporting graduate student instructors teaching coordinated courses in the presence of minimal existing resources and funding. This was accomplished by partnering with and adapting resources from another institution; one with a well-established…

Described is an instructional method that makes use of an electronic spreadsheet for the numerical and graphical introduction of the fundamentals of Taylor polynomials. Included is a demonstration spreadsheet using the expansion polynomial to evaluate the cosine function. (JJK)