The Radix Number Converter Utility
This utility is designed to convert whole numbers to and from bases 2 to 46, inclusive.
In the example above we converted 453234445553 in decimal (base 10) to hexadecimal (base 16).
To use this utility:
Enter a number to convert in the text box where 453234445553 is shown in the example above.
Select the "convert from" and "convert to" bases.
Press the Convert button for each conversion.
The result can be copied to the clipboard and then pasted into a Numera Expression document or a word processor etc.

This utility is designed to "stay on top" while you work and you can multiple instances of it. It can also be minimized and restored when needed.