
A free service for South African school students struggling with mathematics.
Give more than you can afford. Take less than you need. Leave every situation better than you found it.
Please leave a comment if any of the material has been useful to you.
Simplifying a function in order to evaluate it for values that seem impossible.
·
The “absolute” value of a number is also known as the “modulus” of that number.
·
Operations used in calculations exist in related pairs called “inverse operations” of each other.
·
Explaining how roots and exponents are related to each other.
·