runningsum
nounUK /ˈrʌnɪŋ sʌm/
US /ˈrʌnɪŋ sʌm/
A running sum is a total that keeps adding new numbers as you go.
The running sum of the scores was 10, then 15, then 21.
RELATED WORDS
OTHER MEANINGS
2. In math, the result of adding numbers one after another in order.
The running sum of 1, 2, and 3 is 1, then 3, then 6.
3. In computing, a variable that keeps adding values as a program loops.
The code updates the running sum with each new item in the list.
4. A way to track money or points that grow step by step over time.
She kept a running sum of her savings each week.