Why is a change in the text area component triggering an action three times in a row?

Download ThePostmanKnocksThreeTimes.mw

Is there any setting that controls the extent of a plot?

Left hand plot has defined extent of the plot, while the plot on the right hand side has not. When panning the graphics on the right side the plot is clipped.

Any idea how to make Maple to use the whole extent of the plot component as a boundary?

Download plotpoint2.mw

What is the correct way to plot objects which have been created by the geometry library.

e.g. circle, point, line, e.g.

Download plotpoint.mw

Is it possible to use the ~ when using Matrix multiplications, where the second part of the operand are list elements?

The first part of the matrix multiplication remains unchanged, while the second one should be each element of the list.

The result should be a list of vectors / matrices again.

Download MatrixMultiplicate.mw

Is it correct that element wise operators just work on the first element, and not in nested elements?

Do I need to manually go through the nested lists, or are there any other tricks to simplify this operation?

Download elementwise.mw