Thursday, December 2, 2010

Mathematical symbols

1 + 2 = 3
1 plus 2 = 3 or 1 and 2 is 3
3 1 = 2
3 minus 1 = 2 or 3 take away 1 is 2 or 1 from 3 = 2
2 × 3 = 6
2 multiplied by 3 = 6 or 2 times 3 = 6 or two threes are six
6 ÷ 2 = 3
6 divided by 2 = 3 or 2 into 6 is 3
2 + 2 = 4
2 + 2 equal(s) 4 or 2 + 2 make(s) 4
x 2
x is not equal to 2 or x does not equal 2
x 2
x is approximately equal to 2
x > 2
x is greater than 2
x 2
x is greater than or equal to 2
x < 2
x is less than 2
x 2
x is less than or equal to 2
22 = 4
2 squared is 4
4 = 2
the (square) root of 4 is 2
23 = 8
2 cubed is 8
3√8 = 2
the cube root of 8 is 2
24 = 16
2 to the power of 4 is 16
± 4
plus or minus 4
¼ - a quarter or one quarter
½ - a half or one half
¾ - three quarters
5 ¾ - five and three quarters
0.1 - nought point one (UK), zero point one (US)
3.15 - three point one five
25% - 25 per cent
90° - 90 degrees

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