Ⅰ.
Exponential and logarithmic functions
01.
Exponents and logarithms
02.
Exponential and logarithmic functions
Ⅱ.
Trigonometric functions
01.
Meaning of trigonometric functions
02.
Graphs of trigonometric functions
03.
Applications to trigonometric functions
Ⅲ.
sequence
01.
Arithmetic and geometric sequences
02.
sum of a sequence
03.
mathematical induction

"Pungsanja" divides concepts into topics so that they can be learned in short bursts, and includes problems for you to solve on your own to confirm and apply the concepts.
We've organized the key content of each unit into three tables so you can see it at a glance, and we've divided the problems essential for practical use into two stages.
? A concept book suited to the learner's level
No matter how detailed the explanation of a concept is, it is of no use if it does not match your level of understanding.
Pungsanja is a concept book that is like a private tutor who points out and explains only the parts you are curious about.
? A fun concept book that is not boring
Has math ever felt boring and uninteresting because of its rigid and difficult terminology? With Pungsanja's unique, clear and engaging explanations, you'll never be bored and will have fun learning math.
? A concise, short-winded concept book
Reading a lot of concepts at once and trying to solve a problem can feel daunting because you don't know how to apply those concepts to the problem.
Pungsanja can study in short bursts by reading the explanation of the concept and applying it immediately to the problem.