Welcome!, strange ideas.
Challenging Sums (arithmetic progressions).
Square and rectangles, averages.
Why 0.99999... = 1 is hard to believe?
Exponents.
Midpoints of a quadrilateral.
Volume of the Pyramid, Sum of squares.
Found nice proof of n-Sphere area and volume.
Complex numbers 1, 2, 3.
tan tan tan identity.
Euler's Formula comments, Euler's Formula proof.
Pythagoras, Pythagoras and physics 1.
Square root of 2 is irrational.
Combinations problem.
A Bizarre but nice fact about polynomials.
Some ideas for the next posts:
-Trigonometry definition as proportions in a right triangle, and relation to the trigonometric circle.
-Trigonometric functions as projections of the circular movement.
-Exponential functions and the definition of the number e.
-The Euler's Formula.
-The circle perimeter, area, and the power of a point.
-Fermat's point a mechanical interpretation.
-The area and volume of a sphere.
