Fun Stuff to Download
The Tukhi installer
This is the first thing you should install. It contains the Excel add-in and sample workbooks for Tukhi.
The GMP library
This add-in hooks up the GNU multi-precision integer arithmetic
library to Excel. The
uses Tukhi to find primes of the form
IFERROR for Excel 2003 and earlier
A replacement for the Excel 2007 and 2010 IFERROR function.
Adjust the output of array functions
Adds a macro to the cell menu called
in a cell with an array function and selecting Adjust will
resize the output of the array. As an added bonus, some
array and random number functions are provided.
Floating Point Explorer
Everything you wanted to know about IEEE floating point numbers,
but were afraid to ask. Ever wonder about
ldexp() and those other funky C library functions
for ripping apart floating point numbers? This exposes them
to Excel and shows you what is happening down to the bit level.