The Department of Education (ED) has come under scrutiny from President Donald Trump, who has argued its authority should be transferred to the states. The president was said to be preparing an ...
All kinds of parameters can be described using complex numbers of the form real + j * imaginary. The numerical values of real and imaginary can vary over very wide ranges. Trying to graph them ...
In 1950 Edward Nelson, then a student at the University of Chicago, asked the kind of deceptively simple question that can give mathematicians fits for decades. Imagine, he said, a graph — a ...
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