Science, Maths & Technology
Introduction to differentiation
...English word ‘tangible’, which means ‘capable of being touched’, comes from the same Latin word. The word ‘integer’ also comes from this Latin word (an integer is a whole, or ‘untouched’, number). The tangent to any curved graph at a particular point can be defined in a similar way. Because the tangent to a graph at a point has the same steepness as the...