If you would like help or advice concerning our programs or this web site, please contact us!
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We respond to every enquiry we receive regarding our site and our calculators
If you're having difficulty downloading or installing your calculator, could you please consult our
'Products>Help' web page for Minimum-System-Requirements and Troubleshooting
where we provide explanations and solutions for all common problems.
Please Note: The 'Late-Download' issue has been resolved.
You should now receive the relevant email automatically after purchase.