This is a common operation in Number Theory, especially in relation to Euclid's Algorism.
If, when dividing two numbers, complete division does not occur then usually the operation stops at a value less than the dividend and the resulting difference is described as the remainder.
Example : 88 ÷ 7 = 12 with remainder 4. (12 x 7 = 84)
A negative remainder is when the division stops at a value greater than the dividend. Normally this is the value immediately greater than the dividend.
Example : 88 ÷ 7 = 13 with remainder -3 (13 x 7 = 91)
This means you divide a number and whatever you have left over is your remainder,
A remainder can be any non-negative number that is less than the divisor. If the remainder is bigger than the divisor, the divisor can go into it another one (or more) times until the remainder is brought into that range.
Do the division and if the remainder is 0 then the number is divisible by the something and if not it isn't.
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There is no need to find the square root of a negative number for sqrt(0.6)!
A subtle point is that the remainder is always a positive number. So -7 divided by 3 is -3, remainder 2 (rather than -2, remainder -1). This is important for the date of Easter because we must often calculate the remainder when dividing into a negative number. Since in that case we are not interested in the quotient it is sufficient to calculate the negative remainder and then simply add to it the number we were dividing by. So -11 mod 3 may be calculated as: -11 divided by 3 is -3, remainder -2, so the number required is -2 + 3 = 1.
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The remainders are negative if the quotient is.
If it leaves no remainder when divided by 2 then it is an even number.
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One cannot find the square root of a negative number.
An even number can be divided by 2 evenly. An odd number will have a remainder of 1 when divided by 2.
To find the mixed number you need to first divide to find the quotient and remainder. So 71 over 8 has a quotient of 8 and remainder 7. So the general way of writing a mixed number is dividend over divisor = quotient (remainder over divisor) dividend/divisor = quotient remainder/divisor) So 71 over 8 = 8 7/8.
Divisibility is when a number divides into another number with no remainder.
To find the number, multiply the divisor and quotient, then add the remainder. 9 (divisor) times 6 is 54. 54 plus 7 is 61. The number is 61.
Negative two (-2).
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