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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


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 ...


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?


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


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


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 ...


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 »
Source: wiki.answers.com
Q: Find the sum of the digit?
A: Question not clear. Read More »
Source: answers.yahoo.com
Q: Find the sum of the digits of this integer.?
A: 10^(101) - 1. 10^(101) = a 1 followed by101 zeros. ∴10^(101) - 1 = a 101 digit interger made up of all 9's. 101(9) = 909. Read More »
Source: answers.yahoo.com
Q: How to Find Sums of Digits.
A: 1. Take a number for which the digit sum is to be determined. Let's suppose that the number is 666. 2. Add the digits of the number. In this case, adding 6 + 6 ... Read More »
Source: www.ehow.com
Q: How is finding the sum of 4 digit numbers like finding the sum of...
A: To add numbers, start in the ones column and carry over any 'tens' to the tens column. That principle applies for adding 3 digit numbers as well as 4 digit Read More »
Source: www.chacha.com