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The Economist Style Guide, 10th Edition by The Economist

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Mathematical symbols

+

plus or positive

minus or negative

±

plus or minus, positive or negative

×

multiplied by

÷ or /

divided by

=

equal to

identically equal to

not equal to

image

not identically equal to

≈ or ≅

approximately equal to,

~

of the order of or similar to

>

greater than

<

less than

image

not greater than

image

not less than

equal to or greater than

equal to or less than

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