This plugin provides an RPN calculator. It has these features:

• 4 register stack
• Integer base 2, 8, 10, 16, and base 10 float operation
• BigDecimal, Float, BigInteger, and Integer modes
• Access to all math functions in java.lang.Math
• Can use java.lang.StrictMath if needed
• Standard plus, minus, multiply, divide, and mod operations
• Boolean and, or, xor, and not operations
• Stack manipulation controls
• Programmable (recordable) functions
• Hundreds of constant values