

The following table contains the list of operations which have an inverse function. The ISOL operation uses these inverse functions to isolate a symbol in an expression.
| Operation | Description | 
|---|---|
| + | The add operation will take its two numerical operands and produce the sum as its result. It operates on reals,... | 
| - | The subtract operation will take its two numerical operands and produce the difference as its result. It operates... | 
| = | This operation always produces an expression which describes a relationship between its left and right side. Unlike... | 
| ACOS | This operation calculates the inverse cosine... | 
| ACOSH | This operation calculates the inverse hyperbolic cosine... | 
| ALOG | This operation calculates the reverse base 10 logarithm of its... | 
| ASIN | This operation calculates the inverse sine... | 
| ASINH | This operation calculates the inverse hyperbolic sine... | 
| ATAN | This operation calculates the inverse tangent... | 
| ATANH | This operation calculates the hyperbolic sine... | 
| CONJ | This function takes a complex value and returns its conjugate value. A conjugate value has the same real component... | 
| COS | This operation calculates the cosine function of... | 
| COSH | This operation calculates the hyperbolic cosine... | 
| EXP | This operation calculates the reverse base e logarithm... | 
| EXPM | This operation calculates the equivalent of (EXP(x) - 1) where x is the the argument... | 
| INV | This operation takes a real of complex value and produces its inverse. The inverse is one divided by the input... | 
| LN | This operation calculates the natural logarithm (base e)... | 
| LNP1 | This operation calculates the equivalent of LN(1 + x) where x is the the argument from... | 
| LOG | This operation calculates the base 10 logarithm of its input... | 
| NEG | Given a real or complex input, this function returns the value of that input multiplied by -1. Given a matrix or... | 
| SIN | This operation calculates the sine function of... | 
| SINH | This operation calculates the hyperbolic sine... | 
| SQ | The SQ operation multiplies its input argument by itself to produce the square of that input value. The value can... | 
| TAN | This operation calculates the tangent function of... | 
| TANH | This operation calculates the hyperbolic tangent... | 
| ^ | This operation calculates xy given that values x and y are pushed onto the stack in that order. Either... | 
| × | The multiply operation will take its two numerical operands and produce the product as its result. It operates on... | 
| ÷ | The divide operation will take its two numerical operands and produce the quotient as its result. It operates on... | 
| √ | This operation takes a real or complex value and finds its square root. The positive root is return for real values... |