A+ Calc 2.0

A+ Calc is a scientific calculator application with an edit display that shows all calculations and allows recalculating and editing equations.
A+ Calc includes hexadecimal and statistics calculator tools, undo and redo buttons, 1024 character scrollable edit display.
Trial use only applies to premium features, most features are available free of charge.
View, edit, and recalculate with new values and/or operators. Simple uncluttered user interface optimized for easy operation. Extensive error messages with easy error recovery.
Main features:
- Multi-line Edit Display - shows all calculations and allows calculations to be edited
- ReCalc Function - recalculate edited calculations
- Hexit Tool - Hexit hexadecimal calculator and converter tool
- Statistics Tool - standard deviation statistics tool
- A+ Converter Tool - unit conversion tool that accepts user-defined conversions
- Save & Load Calculations - Displayed calculations can be saved to a file for later use
- Undo, Redo Function - Undo, Redo buffer stores the last 20 calculations
- Built-in Error Detection - math errors are automatically detected, reported, and are recoverable
The functions of "A Calc" include:
- Two displays; Edit Display shows calculations and results and the Normal Display which functions like a standard calculator. Edit Display is placed in Read-Only mode on unregistered programs.
- Edit Display can store up to 30,000 characters
- Rich set of mathematical functions including;
- Addition, subtraction, multiplication, and division
- Square root and squaring function, Power functions, y raised to the power of x, and the x root of y
- Natural log and Log based 10 functions,
- Reciprocal function, Factorial function, Percent function
- Trigonometric Functions
- Sine, arc sine, cosine, arc cosine, tangent, arc tangent
- Degrees, radians, grads modes
- Hyperbolic function
- Built in error detection
- Sub-calculation parentheses supports up to 100 levels of parentheses
- Clear entry, clear all, backspace, and clear to result
- Memory store and memory recall
- Scientific notation mode, scientific notation and floating point notation toggle (Normal Display only)
- Background color and pattern setting, "Make Topmost Window" setting, Key Sound On/Off setting
- Auto-scroll on Edit Display
- Help Information to define button functions
- Accelerator keys for keyboard operation of calculator functions
- Cut and paste capability on Normal Display
- A+ Converter unit conversion tool. Accepts user-defined conversion factors.
- A+ Calc HTML Help. A+ Calc Users Manual is available from the Help menu.