diff -r 8249ae9d570a -r 88a01948450d getting-started-with-symbolics/script.rst --- a/getting-started-with-symbolics/script.rst Wed Nov 17 23:24:23 2010 +0530 +++ b/getting-started-with-symbolics/script.rst Wed Nov 17 23:24:57 2010 +0530 @@ -20,7 +20,8 @@ .. Author : Amit Internal Reviewer : External Reviewer : - Checklist OK? : [2010-10-05] + Language Reviewer : Bhanukiran + Checklist OK? : <, if OK> [2010-10-05] Symbolics with Sage ------------------- @@ -40,11 +41,11 @@ * Defining symbolic functions. * Simplifying and solving symbolic expressions and functions. -Amongst a lot of other things, Sage can do Symbolic Math and we shall +In addtion to a lot of other things, Sage can do Symbolic Math and we shall start with defining symbolic expressions in Sage. -Hope you have your Sage notebook open. If not, pause the video and -start you Sage notebook. +Have your Sage notebook opened. If not, pause the video and +start you Sage notebook right now. On the sage notebook type:: @@ -63,7 +64,7 @@ Sage simply returns the expression. Sage treats ``sin(y)`` as a symbolic expression. We can use this to do -symbolic maths using Sage's built-in constants and expressions. +symbolic math using Sage's built-in constants and expressions. Let us try out a few examples. :: @@ -286,7 +287,7 @@ as we can see when we substitute the value the answer is almost = 0 showing the solution we got was correct. -Following is an (are) exercise(s) that you must do. +Following are a few exercises that you must do. %% %% Differentiate the following.