Calculus

Whilst the greatest effort has been made to ensure the quality of this text, due to the historical nature of this content, in some rare cases there may be minor issues with legibility. Example. The mass or weight of mercury in a thermometer is constant. The number that results from measuring this quantity (weight) is a constant. The volume of the mercury in the thermometer is variable. The number that results from measuring this quantity (volume) is a variable.