How should significant events be noted in clean verbatim

If you add the following to the query grid in an access query, what is it called? salestaxamt: [salestaxrate]*[totalsale] formula calculated field total calculation

Ais a built in formula in spread spread a is any math process such as addition or subtraction. options are function and operation

Aline ab is in 1st quadrant , its ends a and b respectively are 20mm and 60mm infront of vp respectively . the distance between the end projectors is 75 mm . the line is inclined at 30 degrees to the hp and end a 20 degrees above the hp . draw its projections , find true length