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Click on any picture below to view a larger image.
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| The home screen |
The initial Formula screen |
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| Practicing with Formulas - part of the formula shown |
Formula screen with formulas populated |
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| Formula corrected after a check |
The initial Elements screen |
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| A hint - symbol populated on the Element screen |
Element corrected after a check |
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| The initial ions screen | Viewing the name of the Ion |
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| Ion corrected after a check | Time to test your knowledge |