Logarithms
The logarithm of a number to a given base is the exponent to which the base must be raised in order to produce that number. In simple description the logarithm is the power of...
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Types of Sequences
sequenceA sequence is an ordered list of numbers or objects. There must be a pattern in the way these numbers or objects are organised. In mathematics this pattern is called a common difference or...
Inverse proportional
The total time taken (t) is inversely proportional to the number builders for example the more builders, the quicker the job. We write; f ∝ 1/n To find the constant value we simply multiply...
Direct proportion
Suppose a shop named Tesco is offering discounts on really expensive boxes of biscuit. The number of boxes (n) is directly proportional to the discount (d). We write; The following table shows a number of...
Area and Volume scale factor
A scale factor is a number which scales, or multiplies, some quantity. For example in this equation y=Cx, C is the scale factor for x. Scale factors are straight forward and are not as...
Natural Logarithms
The Natural Logarithms are very similar to the common logarithms, the difference is that you have a base e that is constant. The natural logarithm is the logarithm to the base e, where e...