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Demonstrates the Additive Inverse property using a number.

Fisher Transformation and Fisher Inverse
Given a correlation coefficient (r), this calculates the Fisher Transformation (z).
Given a Fisher Transformation (r), this calculates the Fisher Inverse (r)

Hyperbolic Inverse
Calculates hyperbolic function values: arcsinh, arccosh, arctanh, arccsch, arcsech, arccoth

Matrix Properties
Given a matrix |A|, this calculates the following items if they exist:
* Determinant = det(A)
* Inverse = A-1
* Transpose = AT
* Eigen equation (characteristic polynomial) = det|λI - A|
* Trace = tr(A)
* Gauss-Jordan Elimination using Row Echelon and Reduced Row Echelon Form
* Dimensions of |A| m x n
* Order of a matrix
* Euclidean Norm ||A||
* Magic Sum if it exists
* Determines if |A| is an Exchange Matrix

Multiplicative Inverse Property
Demonstrates the Multiplicative Inverse property using a number.

Rational Number Subtraction
Subtracting 2 numbers, this shows an equivalent operations is adding the additive inverse. p - q = p + (-q)

Variation Equations
This calculator solves the following direct variation equations and inverse variation equations below:
* y varies directly as x
* y varies inversely as x
* y varies directly as the square of x
* y varies directly as the cube of x
* y varies directly as the square root of x
* y varies inversely as the square of x
* y varies inversely as the cube of x
* y varies inversely as the square root of x

Suppose that the distance of fly balls hit to the outfield (in baseball) is normally distributed wit
Facebook provides a variety of statistics on its Web site that detail the growth and popularity of t
Suppose that the distance of fly balls hit to the outfield (in baseball) is normally distributed wit
Assume the speed of vehicles along a stretch of I-10 has an approximately normal distribution with a
A group of students at a school takes a history test. The distribution is normal with a mean of 25,
If y varies inversely as X and Y equals 5 when x equals 2 find X when Y is 4