01 Number of ways to color
02 How to sit on chairs without being next to each other
03 Utilizing the principle of inclusion and exclusion
04 Number of triangles in a regular square
05 Properties of binomial coefficients
06 Applications of Pascal's Triangle
07 Multiple combinations in inequalities
08 Duplicate combinations with restrictions
09 Number of functions with a fixed order
10 Fix and Split
11 How to put the ball in the box
12 Various interpretations of overlapping combinations
13 Number of composite functions that become the identity function
14 Calculating probability using ignition formula
15 A new function defined by the normal distribution
16. Properties of the probability density function of the normal distribution
17 Properties of random variables
18 Properties of confidence coefficients
APPENDIX Shorts Series

It is different from the math books on the market.
Similar problem, not similar configuration.
I have been teaching mathematics in the field for many years and have accumulated my secrets learned from that experience.

I have compiled the content that I have introduced on YouTube and blogs into a book.

It consists of novel and original solutions, not the same old solutions.

As I've always emphasized in my YouTube lectures, these secrets can yield better results when accompanied by a clear understanding of the concepts.

So, I tried to present all the logical reasons and described the proof process along with the proof that could be proved in the curriculum.