Math Parser

Features:
- You can input complex math expressions.
- The parser can evaluate expressions containing Square Root, Power, Multiplication, Division, Subtraction, and Addition.
- The parser has full support for parentheses, including nesting.
- The parser recognizes Implicit Multiplications.
- The parser follows the Order of Operations.
- Used mathematical expression are displayed in history.
- Users can retrieve previously used math expressions by clicking on them.
- Users can store and retrieve results using 'MS', 'MC' and 'MR' controls.
- Users can easily calculate their Body Mass Index using the BMI calculator.
- Responsive Design.
- Real-time Currency Converter.