Hai all,
I am doing c#.NET application to calculate different formulas and give result to user,users can enter any formula and each formula values are stored in database like this.

After saving like this i want to calculate the result.When calculating the result,application ask values for variables.But how can i calculate with this values.
Please help to retrieve each values from database and calculate the result.
You can use Shunting-yard algorithm to convert the expression to postfix notation or to ast directly. See this answer for nice explanation: Equation (expression) parser with precedence