Here is a list of all documented functions with links to the class documentation for each member:

### - i -

- imaginaryPart() : Number
- internalFormula() : UserFunction
- intValue() : Number
- isActive() : ExpressionItem
- isApproximate() : ExpressionItem, Number
- isChildOf() : AliasUnit, Unit
- isCurrency() : Unit
- isExpression() : KnownVariable
- isFloatingPoint() : Number
- isInfinite() : Number
- isKnown() : KnownVariable, UnknownVariable, Variable
- isMinusInfinity() : Number
- isParentOf() : AliasUnit, Unit
- isPlusInfinity() : Number
- isRationalPolynomial() : MathStructure
- isSIUnit() : Unit
- isUserModified() : DataObject