**WAEC MATHEMATICS SYMBOLS**

/ means DIVISION

* means multiplication

tita you should know that.

raise means to raise to power

^ means raise to power

sqr root/ square root means square root

—-(1) means equation 1

yr means year

f(x-xbar) means x MINUS x BAR as in statistics which means that MINUS WILL BE ON TOP OF x.

, (Comma) means NEXT LINE, THIS MEANS THAT THE FOLLOWING NUMBER IS UNDER THE NUMBER IT IS FOLLOWING i.e UNDER.

It is usually used during STATISTICS when drawing a table.

X:1,2,3,4,

FX: 4,6,8,10

FX-Xbar: 10,8,6,4,

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**DRAW A TABLE WITH X|FX|(FX-Xbar)**

The above statement means that:

~For X, it has 1 2 3 4 5 6 under it. which means 1 is under 2, 2 is under 1, 3 is under 2, 4 is under 3

and so on…

~Under FX you have 4, then 6 under 4, then 8g under 6, then 10 under 8, then 12 under 10…..

~Under FX-Xbar you have 10, then 8 under 10, then 6 under 8, then 4 under 6, then 2 under 4,

then 1 under 2…

**IN A CLEARER WAY:**

→ comma means NEXT LINE (e.g)

x : 1,2,3

fx : 4,5,6

fx-xbar : 10,8,6,4

x|fx |fx-x¯¯|

1| 4 | 10 |

2| 6 | 8 |

3| 8 | 6 |

4| 10| 4 |

**Class interval: **

60-64,65-69,70-74,75-79,80-84,85-89,90-94,95-99.

X: 62,67,72,77,82,87,92,97.

F: 2,3,6,11,8,7,2,1.

FX: 124,201,432,847,656,609,184,97.

F(x-x bar)2:

561.12,414.18,273.36,33.66,84.48,476.42,351.12,333.06

**MEANING OF THE ABOVE EXPRESSION:**

Bar means Minus on top of d number or Variable and comma means next line which means each of

them are under. Eg 60-64 is under Class interval, then 65-69 is under 60-64, etc. So comma means

under.

**NOTE: **THAT WHEN U SEE SOMETHING LIKE THE ABOVE TWO EXAMPLES, U WILL NEED TO DRAW A

TABLE…

**YOU NEED TO KNOW THESE ALSO: **

**MATHEMATICS CODES:**

1) ,(comma) means next line.

(e.g)

x : 1,2,3

fx : 4,5,6

fx-xbar : 7,8,9

x|fx |x¯¯|

1| 4 | 7 |

2| 5 | 8 |

3| 6 | 9 |

2)*=multiplication sign. y

3)^ = Riase to pwer

4)P also means raised to power eg 10P6 means 10 raised to power six.

5)log3(base 4) ..Note:the base must be SUBSCRIPT .

6)x bar = mean symbol(x¯¯)

7)Pie = pie symbol eg Area of a circle is (Pie r2).

8)Tita = θ eg Sinθ.

10)Root or Rut or Sqrt or sqr root = √ ; eg Root2 means √2

11)/ means ÷

12)—-(1) means equation 1

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