Geometry
Truncated Cone or Frustum Area and Volume
Truncated Cone Area and Volume Truncated Cone Area and Volume A truncated cone is the result of cutting an entire cone by a plane parallel to the base and removing the part containing the apex. […]
Android
Simple Trigo Calculator
The simple Trigo Calculator was designed with the trigonometry functions in mind. The following functions can be calculated in normal mode: sin(x), cos(x), tan(x), sinh(x), cosh(x), tanh(x). In SHIFT mode we get the inverse functions: […]
Trigonometry
Spherical trigonometry
Spherical trigonometry The spherical trigonometry is the branch of spherical geometry which deals with spherical triangles defined by great circles on the sphere. It allows us to calculate the trigonometric functions of the sides and […]
Trigonometry
Sum and difference formulas
Sum and difference formulas We have seen in the past cases where we had to use these sum and difference formulas. At this stage, we are now exploring them to be able to use them […]
Algebra
Quadratic Equations
Quadratic Equations Quadratic Equations A quadratic equation is written in the following form: These equations contain polynomials of the second degree, with the square being the highest exponent. It is important that we find the values […]
Algebra
Selected Solutions
Selected Solutions The following is a sample of many of the exercises we plan to solve, to show how some of the seemingly difficult problems can be easily solved. Problem 1: Solve for
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