Educational Studies in Mathematics, Vol. 73, No. 1 (Jan., 2010), pp. 3-19 (17 pages) This study is part of a project concerned with the analysis of how students work with two-variable functions. This ...

https://doi.org/10.4169/college.math.j.45.1.054 https://www.jstor.org/stable/10.4169/college.math.j.45.1.054 Summary We present a result of Rosenthal, which shows ...

Google has added another feature to its simple search box. It can now be used as a 3D graphing calculator. Powered by WebGL, the new graphing feature is activated when you enter in a two-variable ...

Different types of graphs and charts are needed to present results from experiments. Graphs and charts need to be drawn and labelled correctly. Use patterns in the data to reach a conclusion in an ...

In December Google released a graphing calculator in the search results. Google has just stepped that up by adding an animated and interactive version of their graphing calculator. Google shared this ...