From a Calculus student:
"The only class keeping me from a 4.0 GPA has always been my math class. Math has always felt impossible. However, Mr. Casteneda's tutoring has changed all of this! I just took my first Calculus exam, and scored 105 out of 100, so over 100%! His tutoring has helped me to not only get over my Math anxiety, but helped me to master the subject."
COLETTE D. - March 10, 2009
Solving spherical triangles
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This post is a side quest in the series on navigating by the stars. It
expands on a footnote in the previous post. There are six pieces of
information as...
1 day ago
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