## UnitFormulaErr class

Specifies attributes of an element.

```js
new UnitFormulaErr(unit, f, err)
```

Constructor.

## Methods

| Name | Description |
| --- | --- |
| [constructor_overload$1()](#constructor-overload1) | Constructor. |
| [deepClone()](#deepclone) | Creates deep copy of this instance. |
| [equals(value)](#equals) | Are objects equal. |
| [getErr()](#geterr) | Indicates that the formula evaluates to an error. |
| [getF()](#getf) | Represents the element's formula. |
| [getUnit()](#getunit) | Units of measure. The value of the property is MeasureConst integer constant. |
| [hashCode()](#hashcode) | Serves as a hash function for a particular type. |
| [setErr()](#seterr) | Indicates that the formula evaluates to an error. |
| [setF()](#setf) | Represents the element's formula. |
| [setUnit()](#setunit) | Units of measure. The value of the property is MeasureConst integer constant. |

### constructor_overload$1() {#constructor-overload1}

Constructor.

### deepClone() {#deepclone}

Creates deep copy of this instance.

**Returns:** Object — `Object`

### equals(value) {#equals}

Are objects equal.

| Parameter | Type | Description |
| --- | --- | --- |
| value | Object |  |

**Returns:** boolean — `boolean`

### getErr() {#geterr}

Indicates that the formula evaluates to an error.

### getF() {#getf}

Represents the element's formula.

### getUnit() {#getunit}

Units of measure. The value of the property is MeasureConst integer constant.

### hashCode() {#hashcode}

Serves as a hash function for a particular type.

**Returns:** Number — `Number`

### setErr() {#seterr}

Indicates that the formula evaluates to an error.

### setF() {#setf}

Represents the element's formula.

### setUnit() {#setunit}

Units of measure. The value of the property is MeasureConst integer constant.