# MATHEMATICS SYMBOLS FOR WAEC EXAM

**WAEC MATHS SYMBOLS**

**__________________**

**/ means DIVISION**

*** means multiplication**

**tita u should know dat.**

**rais means raise to power**

**^ means raise to power**

**sqr rut/ squar 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 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,**

**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 unda Class interval,**

**then 65-69 is unda 60-64,etc .So comma means**

**unda.**

**NOTE THAT WHEN U SEE SOMETHING LIKE THE**

**ABOVE TWO EXAMPLES, U WILL NEED 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. 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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