sc2

sc1

Ex21.

Ex20.

z = 3x^2 + 3y^2 +14
z = x + 2y^3

------พล็อตกราฟไม่ได้------

Ex19.

z = x^3 - 2y^2 +4

Ex18.

y = x^3 - 2x + 5
y = x^2 - 10
y = 3x^2 + 5

Q1  จุดตัดกราฟ (3.56,43.05)

Ex17.

y = 3x^2 - 5
y = 2x -2

จุดตัดกราฟ Q1 (0.39,0.77)
                   Q3 (-0.72,-3.44)

Ex16.

y = sin(x) + 2cos(x)

จุดตัดแกน y = (0.2)

Ex15.

y = x^3 + 3x^2 + 5

จุดตัดแกน x = (-3.4,0)

จุดตัดแกน y = (0,5)

Ex14.

y = x+5

จุดตัดแกน x (-5,0)
จุดตัดแกน y (0,5)

Ex13.

log(100) = ?

Ex12.

12! = ?

Ex11.

ln(1) = ?

Ex10.

e^1

EX9.

sin(30) + cos(60)  = ?

Ex8.

sin (30) = ?

Ex7.

( 13^3+35^2) * 32 = ?

Ex6.

https://drive.google.com/drive/folders/1Jewb6JURaDe0ysnhelBQhEw0LzTjhiGd

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

Ex5.

https://drive.google.com/drive/folders/1rlmTVuxMmNC9kyAkEc138tBdQI-pewE0

Ex4.

เล่ม 1 https://www.asminternational.org/documents/10192/1849770/ACF1808.pdf

เล่ม 2 https://www.academia.edu/30576917/Materials_Selection_in_Mechanical_Design_3rd_Edition_-_By_Michael_F._Ashby_

Ex3.

FreeMind Software

https://sourceforge.net/projects/freemind/

Ex2. Find your dream computer specification

Specification

CPU RYZEN 7 1700X – 14,400 บาท

M/B GIGABYTE AX370 Gaming K3 – 4,990 บาท

RAM CORSAIR Vengeance LED DDR4 16GB Bus 3000 – 5,390 บาท

HDD Seagate Baracuda 1TB – 1,480 บาท

SSD Transcend MTS-800 M.2 SSD 128GB – 2,190 บาท

GPU MSI GTX1070 GAMING X 8GB – 17,300 บาท

PSU SilverStone ET650-B 650W – 2,590 บาท

CASE BITFENIX Neos Window White –  1,990 บาท

Total 49,590 บาท

Ex1. 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. main board
2. CPU
3. Ram
4. การ์ดจอภาพ
5. CD/DVD Rom drive
6. Power supply
7. ฮาร์ดดิสก์
8. การ์ดเสียง
9. SSD

Medium Carbon Steel

Medium carbon steel
https://drive.google.com/open?id=1uxzRcPNs11PzUOXgelQfPyDhRFFn2AEy

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