С++ ошибка

[Overlod]

#pragma once


namespace Project7 {

using namespace System;
using namespace System::ComponentModel;
using namespace System::Collections;
using namespace System::Windows::Forms;
using namespace System::Data;
using namespace System::Drawing;

/// <summary>
/// Сводка для MyForm1
/// </summary>
public ref class MyForm1 : public System::Windows::Forms::Form
{
public:
MyForm1(void)
{
InitializeComponent();
//
//TODO: добавьте код конструктора
//
}

protected:
/// <summary>
/// Освободить все используемые ресурсы.
/// </summary>
~MyForm1()
{
if (components)
{
delete components;
}
}
private: System::Windows::Forms::PictureBox^ pictureBox1;
private: System::Windows::Forms::Button^ button1;
private: System::Windows::Forms::Label^ label1;
private: System::Windows::Forms::TextBox^ textBox1;
private: System::Windows::Forms::TextBox^ textBox2;
private: System::Windows::Forms::TextBox^ textBox3;
private: System::Windows::Forms::TextBox^ textBox4;
private: System::Windows::Forms::Label^ label2;
private: System::Windows::Forms::Label^ label3;
private: System::Windows::Forms::Label^ label4;
private: System::Windows::Forms::Label^ label5;






protected:

private:
/// <summary>
/// Обязательная переменная конструктора.
/// </summary>
System::ComponentModel::Container ^components;

#pragma region Windows Form Designer generated code
/// <summary>
/// Требуемый метод для поддержки конструктора — не изменяйте
/// содержимое этого метода с помощью редактора кода.
/// </summary>
void InitializeComponent(void)
{
System::ComponentModel::ComponentRe sourceManager^ resources = (gcnew System::ComponentModel::ComponentRe sourceManager(MyForm1::typeid));
this->pictureBox1 = (gcnew System::Windows::Forms::PictureBox( ));
this->button1 = (gcnew System::Windows::Forms::Button());
this->label1 = (gcnew System::Windows::Forms::Label());
this->textBox1 = (gcnew System::Windows::Forms::TextBox());
this->textBox2 = (gcnew System::Windows::Forms::TextBox());
this->textBox3 = (gcnew System::Windows::Forms::TextBox());
this->textBox4 = (gcnew System::Windows::Forms::TextBox());
this->label2 = (gcnew System::Windows::Forms::Label());
this->label3 = (gcnew System::Windows::Forms::Label());
this->label4 = (gcnew System::Windows::Forms::Label());
this->label5 = (gcnew System::Windows::Forms::Label());
(cli::safe_cast<System::ComponentMo del::ISupportInitialize^>(this->pictureBox1))->BeginInit();
this->SuspendLayout();
//
// pictureBox1
//
this->pictureBox1->Image = (cli::safe_cast<System::Drawing::Im age^>(resources->GetObject(L"pictureBox1.Image")) );
this->pictureBox1->Location = System::Drawing::Point(454, 128);
this->pictureBox1->Name = L"pictureBox1";
this->pictureBox1->Size = System::Drawing::Size(211, 251);
this->pictureBox1->TabIndex = 0;
this->pictureBox1->TabStop = false;
//
// button1
//
this->button1->Location = System::Drawing::Point(214, 128);
this->button1->Name = L"button1";
this->button1->Size = System::Drawing::Size(101, 38);
this->button1->TabIndex = 1;
this->button1->Text = L"Рассчитать ";
this->button1->UseVisualStyleBackColor = true;
this->button1->Click += gcnew System::EventHandler(this, &MyForm1::button1_Click);
//
// label1
//
this->label1->Location = System::Drawing::Point(190, 201);
this->label1->Name = L"label1";
this->label1->Size = System::Drawing::Size(162, 39);
this->label1->TabIndex = 2;
this->label1->Text = L"0";
//
// textBox1
//
this->textBox1->Location = System::Drawing::Point(52, 66);
this->textBox1->Name = L"textBox1";
this->textBox1->Size = System::Drawing::Size(100, 22);
this->textBox1->TabIndex = 3;
//
// textBox2
//
this->textBox2->Location = System::Drawing::Point(215, 66);
this->textBox2->Name = L"textBox2";
this->textBox2->Size = System::Drawing::Size(100, 22);
this->textBox2->TabIndex = 4;
//
// textBox3
//
this->textBox3->Location = System::Drawing::Point(374, 66);
this->textBox3->Name = L"textBox3";
this->textBox3->Size = System::Drawing::Size(100, 22);
this->textBox3->TabIndex = 5;
//
// textBox4
//
this->textBox4->Location = System::Drawing::Point(533, 66);
this->textBox4->Name = L"textBox4";
this->textBox4->Size = System::Drawing::Size(100, 22);
this->textBox4->TabIndex = 6;
//
// label2
//
this->label2->AutoSize = true;
this->label2->Location = System::Drawing::Point(93, 47);
this->label2->Name = L"label2";
this->label2->Size = System::Drawing::Size(23, 16);
this->label2->TabIndex = 7;
this->label2->Text = L"Xв";
//
// label3
//
this->label3->AutoSize = true;
this->label3->Location = System::Drawing::Point(262, 47);
this->label3->Name = L"label3";
this->label3->Size = System::Drawing::Size(23, 16);
this->label3->TabIndex = 8;
this->label3->Text = L"Xа";
//
// label4
//
this->label4->AutoSize = true;
this->label4->Location = System::Drawing::Point(412, 47);
this->label4->Name = L"label4";
this->label4->Size = System::Drawing::Size(24, 16);
this->label4->TabIndex = 9;
this->label4->Text = L"Yв";
//
// label5
//
this->label5->AutoSize = true;
this->label5->Location = System::Drawing::Point(571, 47);
this->label5->Name = L"label5";
this->label5->Size = System::Drawing::Size(24, 16);
this->label5->TabIndex = 10;
this->label5->Text = L"Yа";
//
// MyForm1
//
this->AutoScaleDimensions = System::Drawing::SizeF(8, 16);
this->AutoScaleMode = System::Windows::Forms::AutoScaleMo de::Font;
this->BackColor = System::Drawing::Color::Cornsilk;
this->ClientSize = System::Drawing::Size(677, 387);
this->Controls->Add(this->label5);
this->Controls->Add(this->label4);
this->Controls->Add(this->label3);
this->Controls->Add(this->label2);
this->Controls->Add(this->textBox4);
this->Controls->Add(this->textBox3);
this->Controls->Add(this->textBox2);
this->Controls->Add(this->textBox1);
this->Controls->Add(this->label1);
this->Controls->Add(this->button1);
this->Controls->Add(this->pictureBox1);
this->Name = L"MyForm1";
this->Text = L"MyForm1";
(cli::safe_cast<System::ComponentMo del::ISupportInitialize^>(this->pictureBox1))->EndInit();
this->ResumeLayout(false);
this->PerformLayout();

}
#pragma endregion

private:
System::Void button1_Click(System::Object^ sender, System::EventArgs^ e)
{
int a; //переменная
int b;
int c;
int d;
int e;//xв-xа
int t;//возвожу в квадрат 1
int g = 2; //cтепень
a = Convert::ToInt32(textBox1->Text);
b = Convert::ToInt32(textBox2->Text);
c = Convert::ToInt32(textBox3->Text);
d = Convert::ToInt32(textBox4->Text);
int e = a - b;// 1 вычитание
int t = pow(e, g);
}
};
}

Вот, код. На 217 строчке выдает ошибку: идентификатор "pow" не определен

[Steelcraft]

А где этот идентификатор определен? Я тоже не вижу.

[p51x]

Не стоит путать С++ и С++ CLI. Это разные вещи. Если пошли по .NETу, то Math::Pow.