# math

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## do the math

1. Literally, to do a bit of arithmetic calculation. Primarily heard in US, South Africa. Well, let's just do the math to see if you have enough in your savings account to afford a new car.

2. To figure out or put together information for oneself. Primarily heard in US, South Africa. Do the math—can't you see that he's just using you to get ahead in the company?

See also: math

## (you) do the math

Figure out or put together the information for yourself. Do the math—can't you see that he's just using you to get ahead in the company? What happened? They convinced you to give them a lump sum as an "investment," and now they've cleared out of town. You do the math.

See also: math

## you do the math

AMERICANPeople say

**you do the math**to mean that the person they are talking to should calculate something because the answer will be interesting, important or surprising. In Canada, a country of more than 30 million people, a novel is considered to have sold respectably if three thousand copies leave the shelf. You do the math.See also: math

## do the math!

work it out for yourself (used to suggest that the conclusion to be drawn about something is obvious).*North American informal*

**Math**is the American abbreviation of

*mathematics*. When the phrase is used in British English, it is usually as

*do the maths*.

**2004****BBC News: Business**I was faced with the choice of either topping up by using paid holiday or a vast reduction in earnings and a financial struggle when I least need it. You do the maths!

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