Who invented the IBM calculator?

What is the difference between a laptop motherboard and PC motherboards? Which types of behavior describes the way that mice find their way through mazes? What is 16.24l into cm3? What has gravitational as input and kinetic as output? What is Adobe Illustrator used primarily for? What are the advantages of using a spectroscope? Is Microsoft Excel a computer software? Can someone catch disease from a pet cat? How to get my tablet to do everything my computer will do? How many cbm are there in 40fthq container? What is incident Response? What are guidelines for creating effective end-system network documentation? How do you install cubase 5 on mac? You wonder if anybody has used Zephanol-HP what results? A device that converts a document to a digital image? How do you reduce swf file size? What is the main idea of Ramadan? Should I use notifyListeners(); to update UI in flutter? How do you add a picture to your Pidgin account? How you can delete the log file of calls without having to delete the log file completelly from n73?