-Episode 5: The Al-Khwarizmi Era
Khalifa's Challenge
House of Wisdom
Decryption
parting
I am a mathematician

-Episode 6: The Fibonacci Era
Leonardo of Pisa
Sanbanseo booklet
Fibonacci sequence
Federico's Test
Mysterious Woman

100,000 subscribers 〈Lee Sang-yeop Math〉
The third volume of the popular mathematics novel Mathematics has been published!

Everyone from liberal arts majors, science majors, math dropouts, and math nerds can read it!
Easier and more fun than any other math textbook!

How many people in Korea study math because they love it? The number of people around us who study math because they enjoy it or as a hobby is few and far between.
Most people study math for a variety of purposes, such as for school exams, employment, or to use it at work.
As a result, many people end up feeling aversion to mathematics without even having time to think about the fundamental reason why they should study mathematics.
However, "Mathematics" transforms mathematics into a "story" to be enjoyed rather than a "problem" to be solved.
Through time travel, readers interact with and live alongside mathematicians who made great achievements in history, becoming closer to mathematics without even realizing it.

Following the second volume, which covered the era of 'Yuhui', where one can feel the high level of Eastern mathematics, and the era of 'Hitapi', where one can feel the pure belief and passion for mathematics, this third volume moves into the era of 'Al-Khwarizmi', the mathematician called the father of algebra, and 'Fibonacci', who spread Eastern mathematics to the West.
During the time of Al-Khwarizmi, who was considered the most important mathematician of medieval Islam, he aroused readers' curiosity by solving codes.
By using mathematics to solve codes with the main character, you can experience how mathematics influences and is used in other fields.
Next, we can get a glimpse of how the Hindu-Arabic number system was transmitted to the West through the writing of Liber Abaci by Italian mathematician Leonardo Fibonacci, who is well known for the Fibonacci sequence.


It's okay if you don't understand all the mathematical formulas in the book.
This book is a pleasure to read just through the story itself, with its theme of time travel.
Let's read the background and atmosphere of other eras incorporated into the story and imagine the times.
Anyone can easily become immersed in mathematics through the slowly unfolding mystery and fun elements placed throughout the story.