Sc 2

Sc 1

Ex.20
z=3x^2+3y^2+14
z=x+2y^3
หาไม่ได้
Ex.21

Ex.19

Ex.18

x=3.56
Y=43.05

Ex.17

x=1.39 y=0.78
x= -0.72 y= -.344

Ex.16

y=2

Ex.15

x= -3.43
y= 5

Ex.14

จุดตัดแกน x คือ 0
จุดตัดแกน y คือ 5

Ex.13

Ex.12

Ex.11

Ex.10

Ex.9

Ex.8 sin(30)

Ex.7

Ex.6
https://drive.google.com/open?id=1godLlfX1vE0nywuLl6JoLxrFijnHK9lx

http://www.pathumrat.ptpk.ac.th/webmath/content/EB-Scilab.pdf

Ex5
https://drive.google.com/open?id=1S2y5bz1qCAjvVvBvshXoc2nP-0I9Ltjf
https://drive.google.com/open?id=1gkZLhceDQcAmmhIRS934sypzxOkboNLL
https://drive.google.com/open?id=1TJLerMuUBdwKNndXMNDzXOO70Xco7Mfp

Subject Ex4
http://dl.iran-mavad.com/pdf95/Practical%20Heat%20Treating-ASM%20International%20(2006)_iran-mavad.com.pdf

https://www.academia.edu/30576917/Materials_Selection_in_Mechanical_Design_3rd_Edition_-_By_Michael_F._Ashby_

Free Mind Software
https://sourceforge.net/projects/freemind/

Ex.2 Find your dream computer specification


CPU : INTEL CORE I9-9900K
RAM : 132 GB DDR4 (32 GB x 2)
VGA : GEFORCE RTX 2080TI VENTUS
จอคอมพิวเตอร์แบบ LED (Light-emitting-diod) ขนาด 64 นิ้ว
OS : WINDOWS 10 HOME
Mouse Wireless Logitech G502

Ex.1 Definition Computer Hardware

CPU Central Processing Unit
GPU Graphics Processing Unit
RAM Random Access Memory 
ROM  Read Only Memory
PC  Personal Computer
LCD Liquid Crystal Display 
UPS Uninterruptible Power Supply
LAN Local Area Network 

Computer Hardware

1. เมนบอร์ด

2.ซีพียู

3.แรม

4.VGA Card

5.DVD Drive

6.เพาว์เวอร์ซัพพลาย

7.ฮาร์ดดิสก์

8.Display  Card

9.Hard Drive

https://drive.google.com/file/d/1mDOpshKsRmP82HepbG3hR5xRr9XVP_fb/view?usp=sharing

สวัสดีครับ!!!!

   

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