Example of Armstrong number Look at the sum of the cubes of the individual digit on the left hand side of the equation a...
Sunday, March 9, 2014
Saturday, March 8, 2014
Helping Students Understand What a Test
We are facing a problem with tests in education. Students are strongly influenced by the implied messages they deduce from what is being ...
The Great World Language
am embarrassed -- no, actually I would go as far as to say horrified -- that I spent ten years of my career teaching students about the Sp...
Friday, March 7, 2014
Quadratic equation
A quadratic equation in the variable x is an equation that can be written in the form: ...
Limit and Series
Consider the series and its associated sequence of partial sums . We will say that is convergent if and only if the sequence is co...
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