Area Under a Graph

Use sliders to change the polynomial equation. Use the bottom slider to change the number of rectangles used to split up the area under the graph between points A and B. The upper sum represents the area of rectangles based on the upper height, the lower sum the lower height rectangles. As the number of rectangles is increased the difference between the two areas becomes less and less.

Brought to you by Mr Brooks

Number of Workers - Gantt Chart

Use the sliders to move the time line marker and to float the activities. The lower bound for the number of workers is 2, but how many workers are actually needed?

Brought to you by Mr Brooks