Fig. 4 Vary a or b to form ellipses or a circle. Complex computations can be illustrated with the command, also. The next ‘animate’ example is the computation for the amortization of a fixed loan with level monthly payments. Students may substitute a constant for based on a rate from their local bank. Let represent r x time in years and p the amount of money financed, the value y for the monthly payment can be determined (see fig. 5). The command” can give points on the curve. “trace Fig. 5 The monthly payment for an amortized loan. year algebra students can be introduced to the concepts of slope and y-intercept (see fig. 6) by using animate with: Fig. 6 Discovery of slope and y-intercept concepts. In both curricular content and instruction style, there be a renewed effort to focus on “should exploring patterns, not just learning formulas” (National Research Council, 1989). works in 3-D plots as well. One choice might be: ‘Animate’
Fig. 4 Vary a or b to form ellipses or a circle. Complex computations can be illustrated with the ‘animate’ command, also. The next example is the computation for the amortization of a fixed loan with level monthly payments. Students may substitute a constant for r based on a rate from their local bank. Let x represent time in years and p the amount of money financed, the value y for the monthly payment can be determined (see fig. 5). The “trace command” can give points on the curve. Fig. 5 The monthly payment for an amortized loan. year algebra students can be introduced to the concepts of slope and y-intercept (see fig. 6) by using animate with: Fig. 6 Discovery of slope and y-intercept concepts. In both curricular content and instruction style, there “should be a renewed effort to focus on exploring patterns, not just learning formulas” (National Research Council, 1989). ‘Animate’ works in 3-D plots as well. One choice might be:
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