tag:blogger.com,1999:blog-5015600567858883743.post8983144012686453979..comments2023-10-17T18:16:42.428+08:00Comments on Maths Is Interesting!: Constants and VariablesEeHaihttp://www.blogger.com/profile/02489802104300809304noreply@blogger.comBlogger1125tag:blogger.com,1999:blog-5015600567858883743.post-89688474510343809862012-09-11T17:14:52.697+08:002012-09-11T17:14:52.697+08:00Here is a simple definition of variable as a symbo...Here is a simple definition of variable as a symbol for a number which is usually a letter like x or y called as Variable and a number on its own is called a Constant.When these two or more variables are joined together with the help of the symbols are called expressions.differential equation of first orderhttp://www.tutorcircle.com/first-order-differential-equation-tZhp.htmlnoreply@blogger.com