• The Terms of Trade, very generally, is a ratio of the prices of a country’s exports to the country’s imports. Investopedia’s definition of terms of trade: What are ‘Terms of Trade – TOT’? Terms of trade represent the ratio between a country’s export prices and its import prices. The ratio is calculated by dividing the price of the exports by the price of the imports and multiplying the result by 100. But how exactly do you calculate the “price of exports and imports” of a country like, say Brazil, that has USD 190B of exports a year comprising surely thousands, if not more, of different products, and what to do…

• Centered regular text.   Centering equation by centering the latex text: Above does not work with tables.  Multiple lines with \\ look awkward.  First line is centered but later lines start from the same position as the first line.   Aligning equations using \begin{array}.  To center, begin latex with <p align=”center”></p>.  Will need to check by going between Visual and Text modes.  Note that there probably will be strange behavior by the location of </p> in the Text mode when going between the two modes and will probably have to correct it multiple times.  Note that the lines need to be tight in Text mode – no extra line of…

• Showing $$\label{eq:0.99=1} \tag{1} \large \bf 0.\bar{9} = 1$$   kjh $$\label{eq:0.99=io1} \tag{1} 0.\bar{9} = 1$$ klh