1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
| #pragma endregion
float a, b;
int count;
bool znak = true;
private: System::Void button10_Click(System::Object^ sender, System::EventArgs^ e) {
textBox1->Text = textBox1->Text + 0;
}
private: System::Void button1_Click(System::Object^ sender, System::EventArgs^ e) {
textBox1->Text = textBox1->Text + 1;
}
private: System::Void button2_Click(System::Object^ sender, System::EventArgs^ e) {
textBox1->Text = textBox1->Text + 2;
}
private: System::Void button3_Click(System::Object^ sender, System::EventArgs^ e) {
textBox1->Text = textBox1->Text + 3;
}
private: System::Void button4_Click(System::Object^ sender, System::EventArgs^ e) {
textBox1->Text = textBox1->Text + 4;
}
private: System::Void button5_Click(System::Object^ sender, System::EventArgs^ e) {
textBox1->Text = textBox1->Text + 5;
}
private: System::Void button6_Click(System::Object^ sender, System::EventArgs^ e) {
textBox1->Text = textBox1->Text + 6;
}
private: System::Void button7_Click(System::Object^ sender, System::EventArgs^ e) {
textBox1->Text = textBox1->Text + 7;
}
private: System::Void button8_Click(System::Object^ sender, System::EventArgs^ e) {
textBox1->Text = textBox1->Text + 8;
}
private: System::Void button9_Click(System::Object^ sender, System::EventArgs^ e) {
textBox1->Text = textBox1->Text + 9;
}
private: System::Void button11_Click(System::Object^ sender, System::EventArgs^ e) {
if (textBox1->Text=="")
{
textBox1->Text = "0.";
}
else if (textBox1->Text->IndexOf('.') == -1)
{
textBox1->Text += ".";
}
}
private: System::Void button16_Click(System::Object^ sender, System::EventArgs^ e) {
if (textBox1->Text->Length == 0)
{
textBox1->Clear();
MessageBox::Show("Введите число!", "Ошибка", MessageBoxButtons::OK, MessageBoxIcon::Error);
return;
}
a = float::Parse(textBox1->Text);
textBox1->Clear();
count = 1;
label1->Text = a.ToString() + "+";
znak = true;
}
private: System::Void button15_Click(System::Object^ sender, System::EventArgs^ e) {
if (textBox1->Text->Length == 0)
{
textBox1->Clear();
MessageBox::Show("Введите число!", "Ошибка", MessageBoxButtons::OK, MessageBoxIcon::Error);
return;
}
a = float::Parse(textBox1->Text);
textBox1->Clear();
count = 2;
label1->Text = a.ToString() + "-";
znak = true;
}
private: System::Void button14_Click(System::Object^ sender, System::EventArgs^ e) {
if (textBox1->Text->Length == 0)
{
textBox1->Clear();
MessageBox::Show("Введите число!", "Ошибка", MessageBoxButtons::OK, MessageBoxIcon::Error);
return;
}
a = float::Parse(textBox1->Text);
textBox1->Clear();
count = 3;
label1->Text = a.ToString() + "*";
znak = true;
}
private: System::Void button13_Click(System::Object^ sender, System::EventArgs^ e) {
if (textBox1->Text->Length == 0)
{
textBox1->Clear();
MessageBox::Show("Введите число!", "Ошибка", MessageBoxButtons::OK, MessageBoxIcon::Error);
return;
}
a = float::Parse(textBox1->Text);
textBox1->Clear();
count = 4;
label1->Text = a.ToString() + "/";
znak = true;
}
private: System::Void button12_Click(System::Object^ sender, System::EventArgs^ e) {
if (textBox1->Text->Length == 0)
{
textBox1->Clear();
MessageBox::Show("Введите число!", "Ошибка", MessageBoxButtons::OK, MessageBoxIcon::Error);
return;
}
calculate();
label1->Text = "";
}
private: void calculate(){
switch (count)
{
case 1:
b = a + float::Parse(textBox1->Text);
textBox1->Text = b.ToString();
break;
case 2:
b = a - float::Parse(textBox1->Text);
textBox1->Text = b.ToString();
break;
case 3:
b = a * float::Parse(textBox1->Text);
textBox1->Text = b.ToString();
break;
case 4:
float divider;
divider = float::Parse(textBox1->Text);
if (divider == 0)
{
textBox1->Clear();
MessageBox::Show("На ноль делить нельзя!", "Предупреждение", MessageBoxButtons::OK, MessageBoxIcon::Warning);
return;
}
else
{
b = a / divider;
textBox1->Text = b.ToString();
}
break;
case 5:
b = pow(a, float::Parse(textBox1->Text));
textBox1->Text = b.ToString();
break;
case 6:
label2->Text = L"";
if (a < 0)
{
textBox1->Clear();
MessageBox::Show("Нет вещественного корня!", "Предупреждение",
MessageBoxButtons::OK, MessageBoxIcon::Warning);
button11->Enabled = true;
button17->Enabled = true;
return;
}
else
{
b = pow(a,1/ float::Parse(textBox1->Text));
textBox1->Text = b.ToString();
button11->Enabled = true;
button17->Enabled = true;
}
break;
default:
break;
}
}
private: System::Void button19_Click(System::Object^ sender, System::EventArgs^ e) {
textBox1->Text = "";
label1->Text = "";
}
private: System::Void button18_Click(System::Object^ sender, System::EventArgs^ e) {
if ((textBox1->Text->Length == 0) && (label1->Text->Length != 0))
{
textBox1->Text = label1->Text;
label1->Text = L"";
int lenght = textBox1->Text->Length - 1;
String ^text = textBox1->Text;
textBox1->Clear();
for (int i = 0; i < lenght; i++)
{
textBox1->Text = textBox1->Text + text[i];
}
button11->Enabled = true;
button17->Enabled = true;
label2->Text = L"";
if (textBox1->Text->Contains("-/"))
{
textBox1->Clear();
}
}
else
{
int lenght = textBox1->Text->Length - 1;
String ^text = textBox1->Text;
textBox1->Clear();
for (int i = 0; i < lenght; i++)
{
textBox1->Text = textBox1->Text + text[i];
}
button11->Enabled = true;
button17->Enabled = true;
label2->Text = L"";
}
}
private: System::Void button17_Click(System::Object^ sender, System::EventArgs^ e) {
if (znak == true)
{
textBox1->Text = "-" + textBox1->Text;
znak = false;
}
else if (znak == false)
{
textBox1->Text = textBox1->Text->Replace("-", "");
znak = true;
}
}
private: System::Void Form1_Load(System::Object^ sender, System::EventArgs^ e) {
this->Text = L"Калькулятор на одно действие";
}
private: System::Void button20_Click(System::Object^ sender, System::EventArgs^ e) {
if (textBox1->Text->Length == 0)
{
textBox1->Clear();
MessageBox::Show("Введите первое число!", "Ошибка", MessageBoxButtons::OK, MessageBoxIcon::Error);
return;
}
a = float::Parse(textBox1->Text);
textBox1->Clear();
count = 5;
label1->Text = a.ToString() + "^";
znak = true;
}
private: System::Void button21_Click(System::Object^ sender, System::EventArgs^ e) {
if (textBox1->Text->Length == 0)
{
textBox1->Clear();
MessageBox::Show("Введите первое число!", "Ошибка", MessageBoxButtons::OK,
MessageBoxIcon::Error);
button11->Enabled = true;
button17->Enabled = true;
label2->Text = L"";
return;
}
a = float::Parse(textBox1->Text);
textBox1->Clear();
count = 6;
label1->Text = "-\/" + a.ToString();
label2->Text = "Введите степень корня:";
button11->Enabled = false;
button17->Enabled = false;
znak = true;
}
};
} |
(
