An all purpose scientific calculator, designed with programmers in mind - Windows Shareware $19.95. An all purpose scientific calculator, designed with programmers in mind. Key Features: - Supports a rich expression format, which is in most cases identical to what you would type in your programming language. - Support for adding unlimited numbers of variables or variable expressions. - Built-in debugger that lets you see the expression simplified step by step. - Debugger Back-step lets you backup as many steps as you like so that you can replay critical operations. - C/C++ operator precedence - Mouse optional, all calculator commands and functions can be done using the keyboard alone.

- Mini-Calc Mode lets your calculator take up very little screen real estate, and yet remain entirely usable. - Running paper tape(s) (1 per calculator) for calculations, allows annotations, and is stored between runs. - Built-in Ascii chart makes it easy to look up even invisible characters. - View results in big endian (default) or little endian. - Numerous built-in unit conversions (memory sizes, lengths, areas, volumes, temperatures, currency etc.) - Built-in great circle route and straight line distance calculators. Input/Output Formats: - Binary, Octal, Decimal, Hexadecimal, Booleans, Characters, UTF-8 (out only), and UTF-16 (out only) - Convert automatically between these types in your expression with the keyboard, a button, or a contextual menu. Operators and Functions: - Standard: Addition, Subtraction, Multiplication, Division, Modulus, Power, Square Root - Grouping: Parenthesis - Variables: Previous Answer - Bitwise: complement, and, or, xor, shift left, shift right - Comparators: equals, less than, greater than, less than or equal, greater than or equal - Logical: and, or, and not - Trigonometric: Sine, Cosine, Tangent, Arc-Sine, Arc-Cosine, Arc-Tangent, Degrees To Radians, Radians to Degrees - Other: Min, Max, Round, Ceiling, Floor, Absolute Value, Sign Constants: - e and Pi