Table of Contents

## What is the mod of a negative number?

The modulus of a negative number is found by ignoring the minus sign. The modulus of a number is denoted by writing vertical lines around the number. Note also that the modulus of a negative number can be found by multiplying it by −1 since, for example, −(−8) = 8.

## Does mod work with negative numbers?

Can a modulus be negative? \% can be negative as it is the remainder operator, the remainder after division, not after Euclidean_division. Since C99 the result may be 0, negative or positive. The modulo OP wanted is a classic Euclidean modulo, not \% .

**How do you find the mod of a number?**

How to calculate the modulo – an example

- Start by choosing the initial number (before performing the modulo operation).
- Choose the divisor.
- Divide one number by the other, rounding down: 250 / 24 = 10 .
- Multiply the divisor by the quotient.
- Subtract this number from your initial number (dividend).

**What does MOD 17 mean?**

Put simply, modulo is the math operation of finding the remainder when you divide two numbers together. If you are asking “what is 3 mod 17?” then what you really need to know is “what is the remainder when I divide 3 by 17?”.

### How do you calculate mods?

### What is a mod 4?

1 mod 4 equals 1, since 1/4 = 0 with a remainder of 1. To find 1 mod 4 using the modulus method, we first find the highest multiple of the divisor, 4 that is equal to or less than the dividend, 1. Then, we subtract the highest multiple from the dividend to get the answer to 1 mod 4. Multiples of 4 are 0, 4, 8, 12, etc.

**What does mod mean in maths?**

modulus

Given two positive numbers a and n, a modulo n (abbreviated as a mod n) is the remainder of the Euclidean division of a by n, where a is the dividend and n is the divisor. The modulo operation is to be distinguished from the symbol mod, which refers to the modulus (or divisor) one is operating from.

**Why is the square root of a negative number not a real number?**

Zero has one square root which is 0. Negative numbers don’t have real square roots since a square is either positive or 0. If the square root of an integer is another integer then the square is called a perfect square. The square roots of numbers that are not a perfect square are members of the irrational numbers.

## What happens if you add negative number by positive number?

If you add a positive number with another positive number, the sum is always a positive number. If you add a negative number with another negative number, the sum is always a negative number. In both of the above rules, when the signs are the same, you find the sum, and the sign of the sum is the same.

## Are there equal number of positive and negative numbers?

Number of positive and negative numbers need not be equal . If there are more positive numbers they appear at the end of the array. If there are more negative numbers, they too appear in the end of the array.

**What type of number is a negative number?**

Negative number. A negative number is written by putting a minus sign, “−”, in front of a positive number. For example, 3 is a positive number, but −3 is a negative number. It is read “negative three” or “minus three”; it means the opposite of 3. Negative numbers are left of zero on a number line.