Algebra
The impossible puzzle
It’s fascinating that there’s such a thing as the World Jigsaw Puzzle Championship. The winning team of the two-person thousand-piece puzzle round can assemble...
Times Table Shortcuts
In this section, you will learn the shortcuts which will be useful to do times table easily.To understand the shortcuts, you have to remember...
Digital SAT Math Problems and Solutions (Part
Problem 1 :If the vertex of a parabola is at the point (1, 24) and
the quadratic can be written as -a(x2)
+ bx + c...
Trigonometric interpolation using the FFT
Suppose you want to interpolate a set of data points with a combination of sines and cosines.
One way to approach this problem would be...
The impossible puzzle
It’s fascinating that there’s such a thing as the World Jigsaw Puzzle Championship. The winning team of the two-person thousand-piece puzzle round can assemble...
Times Table Shortcuts
In this section, you will learn the shortcuts which will be useful to do times table easily.To understand the shortcuts, you have to remember...
Digital SAT Math Problems and Solutions (Part
Problem 1 :If the vertex of a parabola is at the point (1, 24) and
the quadratic can be written as -a(x2)
+ bx + c...
Trigonometric interpolation using the FFT
Suppose you want to interpolate a set of data points with a combination of sines and cosines.
One way to approach this problem would be...
Digital SAT Math Problems and Solutions (Part
Problem 1 :
In the figure above ABC and CDE are right triangles. If ∠ACE is a right angle, which of the following is equal...
The Postage Stamp Problem
I recently stumbled upon the Postage Stamp Problem. Given two relatively prime positive numbers a and b, show that any sufficiently large number N,...