Simple interest refers to interest that's calculated solely based on the principal, and not any interest that has already accrued. The general formula for computing simple interest is: For example, if ...

Source: Flickr user Dafne Cholet. Simple interest refers to interest that's calculated solely based on the principal, and not any interest that has already accrued. The general formula for computing ...

Any straight line graph has a constant gradient, which is calculated by the change in 𝑦 divided by the change in 𝑥, along any section of the graph. The gradient is measuring the steepness of the ...