PrecisionCalc
xl
Precision
Get Your Numbers Right
xlPrecision 3.1 Free Edition
What's new in
xlPrecision 3.1
Find out what people are saying about xlPrecision
The Free Edition includes all the features of all the paid editions, but is limited to 3,000 significant digits. That's still 200 times as much precision as you get in Excel without xlPrecision!
The Free Edition never expires. You may use the Free Edition as much as you wish, for as long as you wish, and on as many computers as you wish. There are no restrictions. You may freely distribute the Free Edition to anyone you wish.
Don't you
hate it when a trial version expires before you've had
a chance to evaluate it to your complete satisfaction? That doesn't happen with xlPrecision. 
However, every third time an
xlPrecision function calculates, a popup window will appear. You must click OK on the
popup window for xlPrecision to return its result. Every fifth of these popup
windows (every 15th time an xlPrecision function calculates) will
present you with a random text string that must be typed in before the OK button
becomes enabled. The random text strings start out 3 characters long, and grow
by 1 character with each string, up to 12 characters. If you cancel one of the
popup windows that ask for a text string, the next calculation skips to the next
popup window that asks for a text string. To start over at 3 characters, you must
restart Excel. To avoid these popup windows, simply buy a paid edition.
Every third time an
xlPrecision Free Edition function calculates: 
Every 15th time an xlPrecision Free Edition function calculates: 


If you click Cancel or
press the Escape key to dismiss the popup window, Thank you for using
the Free Edition of xlPrecision. On the Free Edition, 
This ensures that you have as much time as you desire to fully evaluate any features you wish in the product before making a purchase decision, while providing a realistic disincentive to perpetual freeloading. And if you use the product only very rarely, or have more time than money, you can enjoy a great product free of charge, without being nagged or made to feel guilty.
If you're running an evaluation test with the Free Edition that has a very large number of xlPrecision functions, you may prefer one of these alternatives to typing in the text required by every 15th xlPrecision Free Edition function calculation:
Enter only a maximum of 14 xlPrecision functions at a time. After each 14, copy the cells with xlPrecision functions and choose Paste Special  Values, then save the workbook and restart Excel.
Set calculation to manual, and enter all the formulas with xlPrecision functions. Then send the workbook to me. I'll run it for you. Then I'll Copy / Paste Special  Values all the xlPrecision formulas (so that you can see the results without having to calculate them on your machine), and return the worksheet to you.
A different Free Edition, with 2,147,483,648 (over two billion) significant digits, is also available, but it is more restrictive than the standard, 500 SD edition above. The 2,147,483,648 SD Free Edition requires a random text string that must be typed in every calculation instead of every 5th calculation, and the random text strings start at 20 characters instead of 3. Also, it is intended for use in your programming code rather than within Excel worksheets, as it can return more characters than Excel can accept in a worksheet cell.
For more information about the 2,147,483,648 SD edition, see the 2,147,483,648 SD Edition.
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You know what seems odd to me? Numbers that aren't divisible by two. Michael Wolf