Петраш, Виктор Иванович. Вычислительная система MathCAD [Электронный ресурс]: учебное пособие. Ч. 2 / В. И. Петраш; Санкт-Петербургский политехнический университет Петра Великого, Институт металлургии, машиностроения и транспорта, Кафедра «Компьютерные технологии в машиностроении». — Электрон. текстовые дан. (1 файл : 866 Кб). — Санкт-Петербург, 2017. — Загл. с титул. экрана. — Свободный доступ из сети Интернет (чтение, печать, копирование). — Adobe Acrobat Reader 7.0. — <URL:http://elib.spbstu.ru/dl/2/s17-253.pdf>. — <URL:http://doi.org/10.18720/SPBPU/2/s17-253>.
|
Period
|
Read
|
Print
|
Copy
|
Open
|
Total
|
|
Year 2017
|
Quarter 4
|
December
|
5
|
0
|
6
|
0
|
11
|
|
Year 2018
|
Quarter 1
|
January
|
8
|
0
|
9
|
0
|
17
|
|
February
|
6
|
0
|
8
|
0
|
14
|
|
March
|
1
|
0
|
1
|
0
|
2
|
|
Quarter 2
|
April
|
2
|
0
|
5
|
0
|
7
|
|
May
|
3
|
0
|
5
|
0
|
8
|
|
June
|
4
|
0
|
13
|
0
|
17
|
|
Quarter 3
|
July
|
4
|
0
|
4
|
0
|
8
|
|
August
|
2
|
0
|
3
|
0
|
5
|
|
September
|
8
|
0
|
4
|
0
|
12
|
|
Quarter 4
|
October
|
4
|
0
|
13
|
0
|
17
|
|
November
|
3
|
0
|
10
|
0
|
13
|
|
December
|
0
|
0
|
12
|
0
|
12
|
|
Year 2019
|
Quarter 1
|
January
|
2
|
0
|
4
|
0
|
6
|
|
February
|
2
|
0
|
5
|
0
|
7
|
|
March
|
11
|
0
|
11
|
0
|
22
|
|
Quarter 2
|
April
|
11
|
0
|
10
|
0
|
21
|
|
May
|
4
|
0
|
4
|
0
|
8
|
|
June
|
10
|
0
|
9
|
0
|
19
|
|
Quarter 3
|
July
|
5
|
0
|
11
|
0
|
16
|
|
August
|
4
|
0
|
7
|
0
|
11
|
|
September
|
7
|
0
|
11
|
0
|
18
|
|
Quarter 4
|
October
|
12
|
0
|
22
|
0
|
34
|
|
November
|
5
|
0
|
27
|
0
|
32
|
|
December
|
7
|
0
|
43
|
0
|
50
|
|
Year 2020
|
Quarter 1
|
January
|
2
|
0
|
20
|
0
|
22
|
|
February
|
3
|
0
|
22
|
0
|
25
|
|
March
|
11
|
0
|
14
|
0
|
25
|
|
Quarter 2
|
April
|
8
|
0
|
2
|
0
|
10
|
|
May
|
6
|
0
|
0
|
0
|
6
|
|
June
|
4
|
0
|
1
|
0
|
5
|
|
Quarter 3
|
July
|
4
|
0
|
0
|
0
|
4
|
|
August
|
0
|
0
|
0
|
0
|
0
|
|
September
|
4
|
0
|
0
|
0
|
4
|
|
Quarter 4
|
October
|
1
|
0
|
3
|
0
|
4
|
|
November
|
4
|
1
|
5
|
0
|
10
|
|
December
|
5
|
0
|
20
|
0
|
25
|
|
Year 2021
|
Quarter 1
|
January
|
12
|
0
|
21
|
0
|
33
|
|
February
|
5
|
0
|
18
|
0
|
23
|
|
March
|
7
|
0
|
38
|
0
|
45
|
|
Quarter 2
|
April
|
10
|
0
|
44
|
0
|
54
|
|
May
|
6
|
0
|
31
|
0
|
37
|
|
June
|
7
|
0
|
34
|
0
|
41
|
|
Quarter 3
|
July
|
7
|
0
|
27
|
0
|
34
|
|
August
|
3
|
0
|
14
|
0
|
17
|
|
September
|
2
|
0
|
38
|
0
|
40
|
|
Quarter 4
|
October
|
0
|
0
|
51
|
0
|
51
|
|
November
|
6
|
0
|
93
|
0
|
99
|
|
December
|
1
|
0
|
129
|
0
|
130
|
|
Year 2022
|
Quarter 1
|
January
|
0
|
0
|
84
|
0
|
84
|
|
February
|
6
|
0
|
80
|
0
|
86
|
|
March
|
6
|
0
|
60
|
0
|
66
|
|
Quarter 2
|
April
|
2
|
0
|
55
|
0
|
57
|
|
May
|
4
|
0
|
100
|
0
|
104
|
|
June
|
6
|
0
|
57
|
0
|
63
|
|
Quarter 3
|
July
|
2
|
0
|
33
|
0
|
35
|
|
August
|
3
|
0
|
34
|
0
|
37
|
|
September
|
4
|
0
|
89
|
0
|
93
|
|
Quarter 4
|
October
|
5
|
0
|
140
|
0
|
145
|
|
November
|
8
|
0
|
154
|
0
|
162
|
|
December
|
2
|
0
|
186
|
0
|
188
|
|
Year 2023
|
Quarter 1
|
January
|
4
|
0
|
121
|
0
|
125
|
|
February
|
1
|
0
|
135
|
0
|
136
|
|
March
|
3
|
0
|
172
|
0
|
175
|
|
Quarter 2
|
April
|
4
|
0
|
115
|
0
|
119
|
|
May
|
2
|
0
|
124
|
0
|
126
|
|
June
|
2
|
0
|
65
|
0
|
67
|
|
Quarter 3
|
July
|
1
|
0
|
66
|
0
|
67
|
|
August
|
1
|
0
|
90
|
0
|
91
|
|
September
|
1
|
0
|
141
|
0
|
142
|
|
Quarter 4
|
October
|
9
|
0
|
205
|
0
|
214
|
|
November
|
1
|
0
|
205
|
0
|
206
|
|
December
|
1
|
0
|
216
|
0
|
217
|
|
Year 2024
|
Quarter 1
|
January
|
3
|
0
|
130
|
0
|
133
|
|
February
|
2
|
0
|
146
|
0
|
148
|
|
March
|
10
|
0
|
216
|
0
|
226
|
|
Quarter 2
|
April
|
9
|
0
|
230
|
0
|
239
|
|
May
|
11
|
0
|
167
|
0
|
178
|
|
Total
|
361
|
1
|
4,498
|
0
|
4,860
|
