Hardie plank siding is a premium brand of cement board siding (also known as fiber cement board siding) produced by the James Hardie Company.ardie plank can be purchased with a wood-grain look, a plain smooth look or a stucco type finish. Hardie plank also comes in simulated cedar shingle planks.
activity duration. Period (hours, days, weeks) required to complete an activity. Activities with zero duration are called milestones.
modified duration. Definition. A measure of the price sensitivity of a bond to interest rate movements. Equal to the Macaulay Duration divided by (1+ (bond yield/k)) where k is the number of compounding periods per year. It is therefore inversely proportional to the approximate percentage change in price for a given change in yield.