The present continuous tense is mainly used to talk about personal arrangements and fixed plans. Be going to can also be used to express the same idea; however, it puts an extra emphasis on the idea of intention. When can we use present continuous? The present continuous tense is aRead More →

A continuous, injective function f:R→R is either strictly increasing or strictly decreasing. I would like to prove the statement in the title. Proof: We prove that if f is not strictly decreasing, then it must be strictly increasing. Which function is always bijective? A function f: R → R isRead More →

Kaizen (改善, かいぜん), the Sino-Japanese word for “improvement”, is a concept referring to business activities that continuously improve all functions and involve all employees from the CEO to the assembly line workers. How do you spell continuous improvement? Meaning of continuous improvement in English the process of making regular smallRead More →