A factor is a term which exactly divides another term.

Prime factors are the factors of a number that are, themselves, prime.

The lowest common multiple is the lowest number that is a multiple of two or more numbers.

The highest common factor of two or more integers which can be divided by all other possible common factors.

A recurring decimal is one that has an infinite number of digits after the decimal point.

Using the fx-83/85GT CW for number

Maths

Using the fx-83/85GT CW for statistics

Using the fx-991CW for number and algebra

Using the fx-991CW for statistics

Using the fx-CG50 for number and algebra

Using the fx-CG50 for statistics

This unit teaches how to use scientific calculators and expores their functionality

Calculator functionality

The frequency is the number of times an event occurs; or the number of individuals (people, animals etc.) with some specific property.

The (arithmetic) mean for a set of numerical data is the sum of the values divided by the number of values. It is a measure of central tendency representing the average of the values.

The median is the central (middle) piece of data when the data are in numerical order. It is a measure of central tendency representing the average of the values.

The mode is the most frequent value. It is a measure of central tendency representing the average of the values.

A statistical summary sums up the features of a data set. It may contain the mean, median and/or mode which measure the central tendency. It may also contain the range which measures the spread.

An equation is used to show 2 expressions that are equal to each other.

Equations which represent different relationships between the same variables are called simultaneous equations.

An inequality is used to show that one expression may not be equal to another.

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