Simple text field calculator

• Supports mathematical expressions with C-like syntax
• Starts in less than a second on modern hardware
• Compute multiple expressions using line breaks or commas
• Declare variables with equals symbol (ex: a=2, a*a => 4.0)
• Type hexadecimal numbers with 0x prefix (0x1f => 31.0)
• Type binary numbers with 0b prefix (0b101 => 5.0)
• Support for common functions (sin(pi/2) => 1.0)
• Support for user defined javascript functions in calc.txt
• Compute powers using hat notation (2^3 => 8.0)
• Uses double precision floats(64 bit)
• Cross platform (Requires Java 1.6 or greater)