You could have downloaded xlPrecision 3.1 from our software library for free. In users’ view, the weak point of this program is: it is complicated. Our antivirus check shows that this download is virus free. The most popular versions of the tool 3.1 and 2.0. This program lies within Office Tools, more precisely Mind mapping. This free program is an intellectual property of PrecisionCalc.
From the developer:
Get vastly more precise results from mathematical formulas in Microsoft Excel with xlPrecision, an Add-In for Excel.
Do arithmetic and other numeric analysis on very large numbers without rounding or truncating your numbers to 15 significant digits, as Excel does on its own. Don't be held back by Excel's limitation of only 15 significant digits!
Eliminate the stealthy binary conversion errors that plague spreadsheets.
You may want to check out more software, such as Swift To-Do List Lite, Aethera or ReminderCube, which might be related to xlPrecision.