User:Tamil430

POSITIVE AND NEGATIVE NUMBERS

Positive and Negative numbers

Generally in mathematics especially in algebra we use positive and negative numbers.There are some rules to use this number in addition, subtraction and multiplication. The sign of the positive number is+ and the negative Number is --. The example for Positive Number is 12, 34,+45, 67.The examples of Negative number is -23,-5,-78,-12.

You must note one thing if it is a positive number there is no need to use that positive that is + sign before that number. But if it is a negative number it is must. [link]C:\Temp\selvi.html

1. [ADDITION/SUBTRACTION]

POS+POS=POS

NEG+NEG=NEG

NEG+POS=NEG/POS(depending upon the NEG and POS value)

EXAMPLE

-12+4=-8

10-6=4

2.MULTIPLICATION/DIVISION

POS*POS=POS

POS*NEG=NEG

NEG*POS=NEG

NEG*NEG=POS

linkhttp://tamilselvi.blog.com/ --Tamil430 00:16, 21 September 2007 (UTC)