The mathematics of numbers (integers, rational numbers, real numbers, or complex numbers) under the operations of addition, subtraction, multiplication, and division
“Work out the leftmost sum in the same way and again place the resulting addition one place to the left.”
Formulas derived through calculation
Plural for the total amount resulting from the addition of two or more numbers, amounts, or items
“The total volume of water in the tub will be the sum of the amounts of hot and cold water that came through the faucets.”
Plural for an amount or quantity of something
“On my examinationinchief, I stated that it became rumored that a large sum of money had been embezzled by this man.”
Plural for a particular amount of money charged for something
“This is the estimated sum required for the planned construction of new, modern living quarters for the Swiss Guard.”
Plural for the entirety or whole of something that exists
“In that single line is the sum of his life and disposition.”
Plural for the principal aspect or dimension of something
“The sum of the matter, when all is said and done, is that the rules must be followed.”
Plural for a brief summary of something presented
“The sum of the allegations is that the project was delayed by three years, but the builder refused to pay compensation.”
(rare) Plural for the top or highest point of something
“Then he would be seeking the sum of happiness. But do you think he would find it among these things which we have shown to be unable to confer what they promise?”
To find the sum of (two or more amounts)
“A formula can be included at the end of a row to sum the numbers in that row.”
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