FS Advisor brings you another MS-Add in for you Ms-Word to be more efficient Microsoft Maths Add-in is a free Add-in that allows you to make computations and draw graphs easily... Using Microsoft Math Add-in you can easily plot the equations, inequality or functions in 3-D or 2-D, You can easily calculate the numerical results, easily solve any equation or inequality, while staying on the word platform. It also enables you to simplify the algebraic expressions.