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.
Thyristor basics What is a triac Diac overview. A diac is a full-wave or bi-directional semiconductor switch that can be turned on in both forward and reverse polarities. The name diac comes from the words Di ode AC switch.