I used to be rather fond of mathematics in my high school days. So, I tried to solve some questions on the book today. But, I'm sorry to say, that almost all questions were far over my head....I managed to complete only 2 questions, the score was 20 %. The time gap of 50 years is so wide! (^-^;
[The Front Cover of the Book]
[About the Author]
[Some Questions among 100]
[Rough Draft of My Answer]