---
tags:
    - "Not"
    - "And"
    - "Invert"
    - "Logic"
---

# NAND

[Math](index.md) / **NAND**

<div class="grid cards" markdown>

* :green_circle: Can Read

* :red_circle: Cannot Write

</div>

## Description

Returns True unless both value 1 and value 2 are True

## Parameters

| Name | Description |
| :--- | :---------- |
| Value 1 | The first value of the operation |
| Value 2 | The second value of the operation |

## Code

```cs
using System;
using UnityEngine;
using VisualScript.Icons;

namespace VisualScript.Runtime
{
    [Get]

    [Title("NAND")]
    [Category("Math/NAND")]

    [Description("Returns True unless both value 1 and value 2 are True")]
    [Image(typeof(IconNAND), ColorTheme.Type.Yellow)]

    [Parameter("Value 1", "The first value of the operation")]
    [Parameter("Value 2", "The second value of the operation")]

    [Keywords("Not", "And", "Invert", "Logic")]

    [Serializable]
    public class TypeBoolMathNAND : TypeBool
    {
        [SerializeField] private GetBool m_Value1 = new GetBool();
        [SerializeField] private GetBool m_Value2 = new GetBool();

        public override bool GetPreview(GameObject source)
        {
            return !(this.m_Value1.GetPreview(source) && this.m_Value2.GetPreview(source));
        }

        public override bool Get(Args args)
        {
            return !(this.m_Value1.Get(args) && this.m_Value2.Get(args));
        }

        public override string ToString()
        {
            return $"{this.m_Value1} NAND {this.m_Value2}";
        }

        protected override SubscriptionMode Subscription => SubscriptionMode.OnChange;
    }
}

```