The cost basis of a stock is the value of that stock or asset at a certain time, usually the time of purchase. It's normally calculated for tax purposes, so it's important to understand the factors ...

This page accompanies the Lightspeed activity guide. For help with working out averages (or means), take a look at either Skillswise or Bitesize. Once you have an average for the distance between the ...

The paper discusses the errors likely to occur in calculations of the elevation of the geoid by Stokes's formula when gravity data outside a given cap are neglected, and it is shown that they are ...