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.
What is OPC? OPC is the interoperability standard for the secure and reliable exchange of data in the industrial automation space and in other industries. It is platform independent and ensures the seamless flow of information among devices from multiple vendors. The OPC Foundation is responsible for the development and maintenance of this standard. The OPC standard is a series of specifications developed by industry vendors, end-users and software developers.