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Direct linkKidron, Ivy; Tall, David – Educational Studies in Mathematics, 2015
A teaching experiment-using Mathematica to investigate the convergence of sequence of functions visually as a sequence of objects (graphs) converging onto a fixed object (the graph of the limit function)-is here used to analyze how the approach can support the dynamic blending of visual and symbolic representations that has the potential to lead…
Descriptors: Visualization, Symbols (Mathematics), Graphs, Investigations
Peer reviewedNoble, Tracy; Nemirovsky, Ricardo – Educational Studies in Mathematics, 1997
Reports on the case study of a high school student using a computer-based tool called the Contour Analyzer to create graphs of height versus distance and slope versus distance for a flat board positioned with different slants and orientations. Focuses on visually recognizing the mathematical behavior of the slope versus distance function which…
Descriptors: Computer Assisted Instruction, Computer Interfaces, Graphs, High Schools
