Convertible Tubas are Tubas that can be played as a Concert Instrument and as a Marching Instrument.
What is Calc? Calc is the spreadsheet component of OpenOffice.org (OOo). You can enter data, usually numerical data, in a spreadsheet and then manipulate this data to produce certain results. Alternatively you can enter data and then use Calc in a âWhat If...â manner by changing some of the data and observing the results without having to retype the entire spreadsheet or sheet.
A chlorofluorocarbon (CFC) is an organic compound that contains only carbon, chlorine, and fluorine, produced as a volatile derivative of methane, ethane, and propane. They are also commonly known by the DuPont brand name Freon.