Two concerns labeled as fundamental to the field of curriculum are identified: (1) the identification of educational content, and (2) the development of ways to make it available to young people. These factors are reviewed from the perspective of their influence on the mathematics curriculum, with note that the critical integral relationship…

A relatively simple procedure for modeling periodic components in time series data is presented in this paper, along with an example of the procedure's use with communication data. Similar to multiple regression analysis, the described procedure has four steps that are based on information about periodic waves and their components, how to create…