The Programmer’s Calculator

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.
# 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.
# Numerous built-in unit conversions (memory sizes, lengths, areas, volumes, temperatures 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
* Logarithms: Natural logarithm, log base 10, log base e, e raised to x
* Trigonometric: Sine, Cosine, Tangent, Hyperbolic-Sine, Hyperbolic-Cosine, Hyperbolic-Tangent, Arc-Sine, Arc-Cosine, Arc-Tangent (2 Variants), Degrees To Radians, Radians to Degrees
* Other: Min, Max, Round, Ceiling, Floor, Absolute Value, Sign, Random