1. How to use calculator in accounting? One time when I helped my aunt accounting. Before there I don’t know how to use a calculator in a right way for comfortable. I just know a common ways to use it very easy that I do. I know only them can plus, minus, multiply and divide. When I got many number that multiply and plus such as (1,045*120) + (200*100) + (30*20) =? I just thinking in parentheses before and plus them again if there have 3 parentheses. I must used calculator 3 times for calculate and 1 time for plus them all for the right answer. That’s okay to a right result. But it is not a best way to do. Because I waste many times to do for 1 answer. It make my work is so late not good to do that. One day, my sister noticed that I was running slow. My sister has to observe the process and how my work. She then found that I did not know how to use a calculator appropriate. After that my sister suggests me how to use a calculator suitable in my work. Then she teaches me to know what are M+, M-, MR and MC in calculator. Before I don’t know how to use M+, M-, MR and MC. I just think why a calculator has them for what? But after I know how to use them. I think a good calculator must have M+, M-, MR and MC. Because they can help me to calculate many number in less time and easy to do more than I don’t know how to use them. Experience above is related a theoretical construct new knowledge by learners (Constructivism: James& Dewey). The theories that focus on the process and methods of individuals to create knowledge. Understanding of experience. Learning of the
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