You can download three files from here...

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Name
Email address
Your location	(just curious!)
	1.25 Mb setup file (from 24th August 2007)
Please note - the above file does not include all of the runtime files that Big Sums requires, however on modern Windows systems these should all be included. However, if the program fails please email me details of the failure and I'll fix that for you!
If you can't download exe's or need and alternative to a full program you might like to consider Isahgenius, an excel spreadsheet available also for the Pocket PC, click here for the full 'readme'.
	766 kilobyte zipped Excel spreadsheet
	111 kilobyte zipped Excel spreadsheet, configured for the pocket PC version of Excel