Soulver - Soulver is a software application that functions as a calculator that allows you type a continuous stream of information rather than having to input data into multiple cells.
Solid Explorer - Solid Explorer is a powerful Android file manager featuring access to most popular cloud storages, root access and easy extensibility.
Soulver 3 for Mac - A smart notepad with a built in calculator
Amaze File Manager - Free and open-source Android file manager with no ads.
Numi App - Numi is a beautiful text calculator for Mac.
Total Commander - A Shareware file manager for Windows® 95/98/ME/NT/2000/XP/Vista/7, and Windows® 3.1.