The menus for all buttons and cell entries are activated by right clicking
Tableau (upper leftmost button)
); useful for experimenting with, and modifying tableaux (note that
the labels on the browser tabs help keep track of which problem
was generated from which other problem).
New Tableau, Tableau Format - opens a new window (or tab)
containing the original WebSim
New Tableau, Paste Format - opens a new window (or tab)
with a text area into which you can paste an entire tableau from
your favorite word-processing program (note that it shows an example
of a tableau with three variables and two equality constraints --
just erase it); after you paste a tableau, enter the dimensions of
the tableau and click done; useful for large problems and tableaux
generated by other software.
Convert to LaTeX - shows a large input box that contains
the LaTeX code necessary to display the current tableau; select
and copy the code into your favorite TeX editor; useful for
creating homework and test problems or handing in homework solutions.
Convert to Maple - shows a large input box that contains
the Maple code necessary to display the current tableau; select
and copy the code into Maple; useful for verifying solutions or
solving large problems that WebSim fails on because of register
overflow (numbers too large).
Highlight Tableau - changes the background color of every cell
in the tableau for emphasis; useful for classroom discussions while
scrolling between tableaux for comparison.
Wider - makes all the columns wider to accommodate integers
with 9-14 digits (including negative sign); useful for large problems
where such numbers frequently occur.
Thinner - makes all the columns thinner to accommodate seeing
on screen, without horizontal scrolling, problems with many variables;
useful for network problems where, not only are there many variables,
but also the coefficients are always 0, 1, or -1 because of total
Fill Tableau with 0s - enters 0 in each cel of the tableau;
useful for sparse problems.
Copy/Paste Tableau - opens a large text area where you can
freely select and copy or paste an entire tableau from your favorite
word-processing program; after you paste a tableau, you can enter the
dimensions of the tableau and click done; useful for large tableaux
and tableuax generated from software.
Copy Tableau to New Window - opens a new window with the
current tableau in it (best if in a new tab instead --- see