Who invented bifocal eyeglasses and a clean-burning stove, and helped develop the U. S. postal system?

Benjamin Franklin

Explanation:

Benjamin Franklin was one of the founding fathers of America and he is well known for his many inventions as well. All the mentioned inventions were invented by him along with his contribution towards development of U.S Postal system.

electronic measurement tools display data on a screen after waiting for several minutes.

while some business owners prefer manual record keeping systems, most businesses use an electronic record keeping system - making it easier to capture information, generate reports and meet tax and legal reporting requirements.

explanation:

instead of copying and pasting things off of tests or work done on computer which im sure you did, try and read over the question carefully