Scientific calculator.

Name: LeoCalculator

Screenshot:

Operation system: MS Windows.

Type: Freeware with limitations. Price for license to
free of limitations version starts from $4.95
USD for one day.

Installation: press button to go to
installation page

Features:
LeoCalculator performs calculation of mathematical expressions that
could include not only basic operations but also elementary and
basic statistics functions and brackets. Flexible user interface
permits typing expressions at keyboard as well usage only mouse
intact with virtual keyboard at the application window.
Edit box at the left can contain parameters to use in mathematical expression.
The syntax of mathematical expression with working example is located
at the page
calculator.php.
Content:
Calculator.
Calculator of math expression.