I purchased a Casio fx-CG500PRIZM calculator with the expectation that I could hook it up via the USB port and observe my calculations on my computer monitor screen. After spending the big bucks in purchasing this calculator I am having much difficulty in obtaining the program from the CASIO site. Every time I click on ACCEPT I receive a red circle with a line drawn through it which will not allow me to download the program. Cam someone advise me why I am having this problem and how to correct it?
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