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+Equation
+========
+Solve math expressions or create equations for repeated and complex Math tasks.
+To use in browser, download [`equation.min.js`](https://raw.githubusercontent.com/mdibaiee/Equation.js/master/equation.min.js).
+
+```javascript
+// solve
+console.log(Equation.solve('4 * lg(4) ^ 3')); // 32
+
+// equation
+let sphereArea = Equation.equation('4 * PI * r^2');
+
+console.log(sphereArea(5)); // 314.1592653589793
+```
+
+API
+===
+####solve(expression: String)
+Takes a math expression and evaluates it, returning the result.
+
+###equation(expression: String)
+Takes a math expression containing variables, returning a function which
+replaces the variables with given arguments, and solves the expression.
+
+TODO
+====
+* Equation solver
+* More tests