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Archive for Online Tools

Solving the “Challenger” Cross-number Puzzle

I like a good puzzle as much as anyone. The “Challenger” puzzle, aka the International crossnumber game, appears in the daily San Francisco paper.
To solve it, you have to fill the blank squares with the numbers 1 thru 9, so that the rows add up to the total at the right, the [...]

Posted on November 21st, 2008 under Examples, Online Tools, Spreadsheets. Tags: , , , , . 0 Comments

Can your spreadsheet do this?

Microsoft Excel can’t do this. Google Spreadsheets can’t do it either.
Enter EditGrid, who allows you to publish a live spreadsheet to the web or to a blog. Above is a quick example of a mortgage function using their software. Most of the other online spreadsheets are wholesale knockoffs of excel. [...]

Posted on September 6th, 2008 under Online Tools, Spreadsheets. 0 Comments