Why is my Casio fx-85gt calculator following Javascript's mistake? Why doesn't my Casio fx-85gt have an integer data type? 9007199254740993 - 9007199254740992 shows '0' instead of '1' in my Casio calculator like
![Amazon.com : Casio fx-9750GII Graphing Calculator with icon based menu. Color white. : Office Products Amazon.com : Casio fx-9750GII Graphing Calculator with icon based menu. Color white. : Office Products](https://m.media-amazon.com/images/I/71tDtxwVgIL._AC_SX425_.jpg)
Amazon.com : Casio fx-9750GII Graphing Calculator with icon based menu. Color white. : Office Products
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