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In order to use the CK-12 FlexBook® textbook System, you will need to have JavaScript enabled in your browser.
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Internet Explorer (6.0 & 7.0)

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Google Chrome

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  5. Click 'Close'.

Apple Safari

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Please keep in mind that upgrading your browser or installing new security software or security patches may affect your JavaScript settings. It is a good idea to double-check that JavaScript is still enabled if you notice problems displaying in the CK-12 FlexBook® textbook System.

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