4Pi
From Wikipedia, the free encyclopedia
The expression 4Pi may refer to:
- System 4 Pi, an IBM family of avionics
- 4Pi Microscope, a microscope that uses interference and fluorescence] computers
- 4×π = 12.56637..., the solid angle of a complete sphere measured in steradians
 |
This disambiguation page lists articles associated with the same number. If an internal link led you here, you may wish to change the link to point directly to the intended article. |
