I bought a Casio fx-82MS at Game store in Witbank, due to the fact that I am busy study Technical Financial Accounting, first I though it was me that doesn't know how to work the calculator and need to learn how to operate the calculator and I have taken the booklet and went through it. Then the calculator do the calculations correct and the next minute it doesn't calculate correct 'cause at this stage I am using 3 other calculator to double check my answers but is not allowed to use my phone in the exam and there for I need to double check the answer more than once and it is time consuming and a problem 'cause I just got a set time frame to finish the exam paper, due to this calculator I am not able to finish my exam paper totally 'cause I need to double all the calculations. This is so frustrating and I have checked the calculator with my nieces calculator 'cause she do have the very same one and her calculator is 100%. please advice what I need to do, other wise this calculator will do a low flying against the wall.
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