John Russell's Discussions (1)

Calculus is originated from a Latin word ‘calculus’ and literally, it signifies 'small pebble'. However, it is a mathematical study related to continuous change, similarly the algebra, geometry, and others. There are two different prominent branches of calculus Differential Calculus (concerned with the slopes of the curve and rates of change) and Integral Calculus (related to the areas between…See More

Say you’ve always wanted to teach English abroad, you studied hard and that new TESOL/TEFL Certificate is in your hot little hands and now,…See More