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Algebra
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Demonstrations 181  200 of 537
The Argument Principle
Loci in the Argand Diagram
Composition and Transformations
Standard Form of the Equation of a Circle
Roots of Unity
Exploring Surface Curvature and Differentials
Extended GCD of Quadratic Integers
Adding and Subtracting Positive and Negative Integers
The Real Graph of Quadratics, Cubics, and Quartics
A Negative Times a Negative Is Positive
50Dimensional Complex Space
The Perturbed Rat
Eigenvalues and Linear Phase Portraits
Transformations of Complex, Dual, and Hyperbolic Numbers
XFT: An Improved Fast Fourier Transform
Complex Numbers in Rectangular and Polar Form
Complex Slide Rule
XFT2D: A 2D Fast Fourier Transform
nth Roots of a Complex Number
Eigenvectors by Hand
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