PrecisionCalc
xl
Precision
Get Your Numbers Right
If you are having difficulty installing xlPrecision, and have tried all the suggestions in the Troubleshooting F.A.Q., you can try installing it manually.
First, download Manually Install xlPrecision.zip.
Then, follow the directions on the text file there, "How to manually install xlPrecision.txt".
Let me know if you have any questions.