Convert bmp to 73i Online: bmp273i
You can use Tom's Editor to easily convert images from
Microsoft Windows bitmap .BMP to Texas Instruments Ti-73 .73I.
Tom's Editor is a free, online image manipulation and converter program.
Go to Tom's Editor
Format created by Microsoft for their Windows and OS/2 operating systems. Images can be compressed or not.
Texas Instruments Ti-73 is an image format with extension 73I.