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Why tested only with Firefox?
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In schools in Germany teachers and
students in general have access to internet
during lessons via local area networks
with very limited possibilites. There are exceptions, sure.
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Software should run without help of one of
the administrators.
The Internet Explorer at school (not the newest one)
needs help of an administrator,
if a teacher or student wants to use SVG (Scalable Vector Graphics).
The ordinary user has no right to install anything or
to enhance a browser. Even batch processing is blocked
due to security requests.
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Firefox comes with SVG built in. If Firefox is
not installed in the schools network, we can
use Firefox Portable on every terminal.
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Besides professional work (Sisyphean mass teaching of classes up
to 32 students) there is no more time left for testing
software on several browsers. This is another important
reason for using only Firefox and testing software only
with one version of Firefox. One main intention of these
sites is improving
effectivity in producing much small software pieces for
learning maths individually, independent of a teachers
presence, any time, any place. The objective is not
software working on all browsers.
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These living graphics (invisible and/or inanimable in elder IE browsers)
are produced with one short line of text each:
noaxes(); urne( 2, 6, "black", "orange" )
dot([t1, amp*cos(t1)]); (within predefined function Animation)
noaxes(); wRad( 60, "green", 120, "red", 180, "yellow" );
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The graphics are living also in the sense that doubleclicking allows
changing some parameters as
urne( 3, 6, "black", "orange" ); or amp = 2.0 or wRad( 70, "green", 150, "red", 140, "yellow" ); or the colors within the 256 named Netscape colors. The (now) new IE 11.0.9600.17420 is not able to show this text in width=700 as demanded inside. It shows the graphic on the first site, but isn't able to animate it according to the specifications of SVG. | ||||||
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For many students math text books are too difficult to
learn with. Some need atoms of wisdom, names, definitions, rules,
significations and interconnections
integrated in the brain and not 500 paper pages of perfect mathematics on
the desktop outside of the head. Every math question
in school design must have
a short standard answer to rely on. Uncertainty among students in
mathematics is global.
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H.G.
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| Many thanks to Prof. Jipsen, who gave us ASCIIMathML.js. |