an arithmetical problem to be solved, or such a problem worked out and having the various steps shown. On the other hand, they are viewing their donors, and their future children, not as whole people but as the sum of certain parts. The sum of the opposite sides of a die is always seven. 2. When people talk about statistical averages, they are referring to the mean. A 'sum' is the mathematical result of adding two or more numbers. sum noun (TOTAL) [ S ] the whole number or amount when two or more numbers or amounts have been added together: The sum of 13 and 8 is 21. Sum can be used to describe a particular total, as in the sentence "He paid a huge sum of money." Sum over a set of like terms: ∑ = = + + = suspension or reduced suspension (mathematics) A class (in the arithmetical hierarchy) of formulae whose outermost unbounded quantifiers are existential quantifiers; Usage notes Add up a series of numbers and divide the sum by the total number of values to find the mean. Sum definition, the aggregate of two or more numbers, magnitudes, quantities, or particulars as determined by or as if by the mathematical process of addition: The sum of 6 and 8 is 14. Definition of 'sum'. The result is your mean or average score. to add up … But when it comes to the value of antiquities for human history, the sum of the parts is not greater than the whole. In mathematics, a sum is the total obtained from adding numbers. Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020, Collins English Dictionary - Complete & Unabridged 2012 Digital Edition When mathematics is taught as a subject at school, it is usually called maths in British English, and math in American English. The result is your mean or average score. 2. n. 1. the aggregate of two or more numbers, magnitudes, quantities, or particulars as determined by or as if by the mathematical process of addition: The sum of 6 and 8 is 14. Example: 9 is the sum of 2, 4 and 3 (because 2 4 3 9). All properties and methods of Math are static. Let x 1, x 2, x 3, …x n denote a set of n numbers. There was a time when teachers used the word 'sum' to name the following addition number sentence: 9 + 5 = 14 The terms such as "all together, "put together," "how many in all," "total," and "sum" indicates that you will need to add two or more numbers. Sum is chat slang for some. Online math solver with free step by step solutions to algebra, calculus, and other math problems. They would often then mistakenly use the same word to name these subtraction, multiplication and division number sentences: The example in the adjacent picture shows a combination of three apples and two apples, making a total of five apples. | Meaning, pronunciation, translations and examples The sum of all the angles of a triangle is 180 degrees. A sum of money is an amount of money. In sum definition: You use in sum to introduce a statement that briefly describes a situation. Find more ways to say sum, along with related words, antonyms and example phrases at Thesaurus.com, the world's most trusted free thesaurus. The sum() function returns a number, the sum of all items in an iterable. Next, divide the sum by however many numbers you added. the aggregate of two or more numbers, magnitudes, quantities, or particulars as determined by or as if by the mathematical process of addition: a particular aggregate or total, especially with reference to money: an indefinite amount or quantity, especially of money: a series of numbers or quantities to be added up. Get help on the web or with our math app. In mathematics, a sum is the total obtained from adding numbers. It is also known as variation , because it measures the amount of variability in the data. sum When you determine the sum, you add up all the numbers. It means to make an intelligent guess at an approximate answer rather than calculate the exact value. Illustrated definition of Sum: The result of adding two or more numbers. Unlike many other global objects, Math is not a constructor. When the total number of values in … Online math solver with free step by step solutions to algebra, calculus, and other math problems. The Dictionary.com Word Of The Year For 2020 Is …. It means to make an intelligent guess at an approximate answer rather than calculate the exact value. How to use sum in a sentence. EXAMPLES: 10 + 3 = 13, 13 is the sum. In mathematics, summation is the addition of a sequence of any kind of numbers, called addends or summands; the result is their sum or total. Here, for example, addends 8 and 5 add up to make the sum 13. The sum of two numbers is the answer you get when you add them both together. Looking at your answers and the content of the paper I think the meaning intended is $$\sum_{j = 1}^{N} \sum_{i