# WAEC 202O MATHEMATICAL SYMBOLS

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/ means DIVISION

* means Multiplication

θ means tita

rais means Raise to power or

^ means Raise to the power

sqr rut/square rut 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’s Following ie. UNDER. It is usually used during STATISTICS

when drawing a table.

EXAMPLE 1:

1 X: 1,2,3,4,5,6

FX: 4,6,8,10,12

FX-Xbar: 10,8,6,4,2,1

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 8 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.

EXAMPLE 2:

Class interval:

60-64, 65-69, 70-74, 75-79, 80-84, 85-89, 90-94, 9

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.

Mathematics Symbols To Be Used In Waec, Neco, Gce Exam, Maths Assistance Program for all.

**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 is under.

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

under.

**NOTE**: When you see something like the above example two, you will have to draw a table.

YOU NEED TO KNOW THESE ALSO:

## MATHS 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.

3)^ = Riase to pwer

4)P also means raised to power e.g 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 e.g Area of a circle is (Pie r2).

8)Tita = θ e.g Sinθ.

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

11)/ means ÷

12)—-(1) means equation 1

Mathematics Symbols To Be Used In 2020 Waec, Neco, Gce Exam, Maths Assistance Program for all.

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WAEC MATHEMATICS SYMBOLSOLUTION