Math Sec 1 – Highest Common Factor (HCF)
The Highest Common Factor (HCF) helps us break things down into their simplest form. Imagine you have 18 and [...]
E-Math – Statistics – What is Standard Deviation?
Standard deviation is a useful way to estimate the “spread” in a set of numbers. In the example, each [...]
E-Math – Compound Interest – Annually, semi-annually and quarterly
To illustrate Compound Interest, I used an example where $10,000 (Principal) is invested for 3 years at an annual [...]
A-Math – Binomial Coefficient
It is easier to memorize the N-terms of the Binomial Coefficient rather than derive them from the Additional Math [...]
Polygons
For the N-Level and O-Level exams, you need to be familiar with the names of polygons ranging from Pentagon to [...]
Sine Graphs – Examples
And finally, here are three examples of Sine graphs: y = sin x, y = 2 sin x (with an [...]
Cosine Graphs – Examples
Above are three examples of cosine graphs: y = cos x, y = 2 cos x (with an amplitude [...]
Tangent Graphs – Examples
Here are three examples of tangent graphs: y = tan x, y = 2 tan x (with an amplitude twice [...]
Math – Statistics – 1st Quartile, Median and 3rd Quartile Ungroup Data
The above two diagrams show you how to find the 1st quartile, median (2nd Quartile) and the 3rd [...]
