## Digit sum

en.wikipedia.org/wiki/Digit_sum

In mathematics, the digit sum of a given integer is the sum of all its digits Digit sums are most often computed using the decimal representation of the given ...

## Add digits of number in c | Programming Simplified

C program to add digits of a number: Here we are using modulus ... C program to find sum of digit of an integer which does not use modulus operator.

## Digit Sum Arithmetic - San Jose State University

www.sjsu.edu/faculty/watkins/Digitsum.htm

The digit sum of a number, say 152, is just the sum of the digits, 1+5+2=8. If the sum of ... For examples, DigitSum(18)=9, DigitSum(27)=9, DigitSum(99)=9, etc.

## Formula for sum of digits of a number | Physics Forums - The ...

May 19, 2012 ... Any ideas on this? I googled it and got only answers inolving Excel, C++, etc... A formula for finding the digit sum of a 2-digit number, or only a ...

## Calculating Sum of Digits in a Number using Array Formulas [for fun ...

chandoo.org/wp/2011/03/18/calculating-sum-of-digits-in-a-number/

Mar 18, 2011 ... Here is a fun formula to write. Given a number in cell, I want you to find the sum of digits in it. So, for eg. if you have the number 3584398594 in ...

## What is the sum of the first 100 whole numbers?

mathcentral.uregina.ca/qq/database/qq.02.06/jo1.html

The sequence of numbers (1, 2, 3, … , 100) is arithmetic and when we are ... Thanks to Gauss, there is a special formula we can use to find the sum of a series :.

## The Digit Sums for Multiples of Numbers

www.sjsu.edu/faculty/watkins/Digitsum0.htm

It is well known that the digits of multiples of nine sum to nine; i.e., 9→9, 18→1+8 =9, 27→2+7=9, . . ., 99→9+9=18→1+8=9, 108→1+0+8=9, etc. Less well known ...

## Digit Sum -- from Wolfram MathWorld

mathworld.wolfram.com/DigitSum.html

Digit Sum. DOWNLOAD Mathematica Notebook. A digit sum s_b(n) is a sum of the base- b digits of n , which can be implemented in the Wolfram Language as

## How do I calculate depreciation using the sum of the years' digits ...

www.accountingcoach.com/blog/sum-of-the-years-digits-depreciation

The sum of the years' digits, often referred to as SYD, is a form of accelerated depreciation. (A more common form of accelerated depreciation is the declining ...

Popular Q&A
Q: Find the sum of the digit of a number?
A: for (sum=0; n!=0;) sum+=n%10, n /= 10; Read More »