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• Introduction of Al Khwarizmi.
• Life Basics
• Contributions
• Solution of “Completing the square”
• Some of his work
• Opinion about Al Khwarizmi
• He was a persian mathematician, astronomer, geographer, and
scholar
•Al-Khwārizmī accomplished most of his work in the period between
813 and 833.
• He worked in Baghdad as a scholar at the House of
Wisdom established by Caliph al-Maʾmūn
•He studied the sciences and mathematics, which included the
translation of Greek and Sanskrit scientific manuscripts.
• Al-Khwārizmī's contributions to mathematics, geography, astronomy,
and cartographyestablished the basis for innovation in algebra and trigonometry.
• His systematic approach to solving linear and quadratic equations led to algebra, a word
derived from the title of his 830 book on the subject,
•Discussed the fundamental methods of "reduction" and "balancing"
Algebra (Al- Jabr):
• The term algebra is derived from the name of one of the basic operations with equations
(al-jabr, meaning completion, or, subtracting a number from both sides of the equation)
Al-Khwārizmī's method of solving linear and quadratic equations worked by first
reducing the equation to one of six standard forms (where b and c are positive
integers)
squares equal roots (ax2 = bx)
squares equal number (ax2 = c)
roots equal number (bx = c)
squares and roots equal number (ax2 + bx = c)
squares and number equal roots (ax2 + c = bx)
roots and number equal squares (bx + c = ax2)
by dividing out the coefficient of the square and using the two operations al-
jabr (Arabic: ‫الجبر‬ "restoring" or "completion") and al-muqābala ("balancing"). Al-jabr is the
process of removing negative units, roots and squares from the equation by adding the
same quantity to each side. For example, x2 = 40x − 4x2 is reduced to 5x2 = 40x. Al-
muqābala is the process of bringing quantities of the same type to the same side of the
equation. For example, x2 + 14 = x + 5 is reduced to x2 + 9 = x.
In modern notation this process, with 'x' the "thing" or "root", is given by the steps,
Let the roots of the equation be 'p' and 'q'. Then , and
So a root is given by
b) Arithmetic
•Al-Khwārizmī's second major work was on the subject of arithmetic, which survived in a
Latin translation but was lost in the original Arabic.
•Al-Khwarizmi's work on arithmetic was responsible for introducing the Arabic
numerals, based on the Hindu-Arabic numeral system developed in Indian mathematics,
to theWestern world.
•The term "algorithm" is derived from the algorism, the technique of performing
arithmetic with Hindu-Arabic numerals developed by al-Khwarizmi.
•Al-Khwārizmī's Zīj al-Sindhind is a work consisting of approximately 37 chapters on
calendrical and astronomical calculations and 116 tables with calendrical, astronomical and
astrological data, as well as a table ofsine values.]
*The work contains tables for the movements of the sun, the moonand the
five planets known at the time. This work marked the turning point in Islamic astronomy
c) Astronomy
d) Trigonometry
Al-Khwārizmī's Zīj al-Sindhind also contained tables for the trigonometric functions of
sines and cosine.[24] A related treatise on spherical trigonometry is also attributed to him.
We start of by taking the equation x^2 + 10x = 39
Lets take x^2 +10x x^2 + bx +(b/2)^2
X^2: the area of the square
Now, we have to add the “bx” part, being a rectangle, well, 4 rectangles.
bx: being the area of the rectangle
We divide it to 4 equal parts.
b in this case = 10 , so its area = 5x/2
Now we have to add the (b/2)^2 so (10/2)^2 = 5^2 =25/4
x^2 bx
x
5/2
x^2
5x/2 Area:
(5/2)^2
= 25/4
x^2
5x/2
5x/2
5x/2
5x/2
25/
4
25/
4
25/
4
25/
4
x + 12x = 108
2
x^2
3x/2 9/4
As solved before, b in this case is 12… Then the area of the red rectangle is 3x/2
To complete the equation : x^2 + bx + (b/2)^2 then (3/2)^2 =9/4
-The Compendious Book on Calculation by Completion
and Balancing
-Al khwarizmi Arithmetic
-The abridged book on algebra
-The image of earth
• Al Khwarizmi became a part of history! He was so bright nations
fought and coned his nationality
• He introduced us to math basics we couldn’t have understood
them.
• He’s pride to the Arab world
•He has great levels in algebra
Al khawarizmi project

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Al khawarizmi project

  • 1. • Introduction of Al Khwarizmi. • Life Basics • Contributions • Solution of “Completing the square” • Some of his work • Opinion about Al Khwarizmi
  • 2.
  • 3. • He was a persian mathematician, astronomer, geographer, and scholar •Al-Khwārizmī accomplished most of his work in the period between 813 and 833. • He worked in Baghdad as a scholar at the House of Wisdom established by Caliph al-Maʾmūn •He studied the sciences and mathematics, which included the translation of Greek and Sanskrit scientific manuscripts.
  • 4. • Al-Khwārizmī's contributions to mathematics, geography, astronomy, and cartographyestablished the basis for innovation in algebra and trigonometry. • His systematic approach to solving linear and quadratic equations led to algebra, a word derived from the title of his 830 book on the subject, •Discussed the fundamental methods of "reduction" and "balancing" Algebra (Al- Jabr): • The term algebra is derived from the name of one of the basic operations with equations (al-jabr, meaning completion, or, subtracting a number from both sides of the equation)
  • 5. Al-Khwārizmī's method of solving linear and quadratic equations worked by first reducing the equation to one of six standard forms (where b and c are positive integers) squares equal roots (ax2 = bx) squares equal number (ax2 = c) roots equal number (bx = c) squares and roots equal number (ax2 + bx = c) squares and number equal roots (ax2 + c = bx) roots and number equal squares (bx + c = ax2) by dividing out the coefficient of the square and using the two operations al- jabr (Arabic: ‫الجبر‬ "restoring" or "completion") and al-muqābala ("balancing"). Al-jabr is the process of removing negative units, roots and squares from the equation by adding the same quantity to each side. For example, x2 = 40x − 4x2 is reduced to 5x2 = 40x. Al- muqābala is the process of bringing quantities of the same type to the same side of the equation. For example, x2 + 14 = x + 5 is reduced to x2 + 9 = x. In modern notation this process, with 'x' the "thing" or "root", is given by the steps, Let the roots of the equation be 'p' and 'q'. Then , and So a root is given by
  • 6. b) Arithmetic •Al-Khwārizmī's second major work was on the subject of arithmetic, which survived in a Latin translation but was lost in the original Arabic. •Al-Khwarizmi's work on arithmetic was responsible for introducing the Arabic numerals, based on the Hindu-Arabic numeral system developed in Indian mathematics, to theWestern world. •The term "algorithm" is derived from the algorism, the technique of performing arithmetic with Hindu-Arabic numerals developed by al-Khwarizmi. •Al-Khwārizmī's Zīj al-Sindhind is a work consisting of approximately 37 chapters on calendrical and astronomical calculations and 116 tables with calendrical, astronomical and astrological data, as well as a table ofsine values.] *The work contains tables for the movements of the sun, the moonand the five planets known at the time. This work marked the turning point in Islamic astronomy c) Astronomy d) Trigonometry Al-Khwārizmī's Zīj al-Sindhind also contained tables for the trigonometric functions of sines and cosine.[24] A related treatise on spherical trigonometry is also attributed to him.
  • 7. We start of by taking the equation x^2 + 10x = 39 Lets take x^2 +10x x^2 + bx +(b/2)^2 X^2: the area of the square Now, we have to add the “bx” part, being a rectangle, well, 4 rectangles. bx: being the area of the rectangle We divide it to 4 equal parts. b in this case = 10 , so its area = 5x/2 Now we have to add the (b/2)^2 so (10/2)^2 = 5^2 =25/4 x^2 bx x 5/2 x^2 5x/2 Area: (5/2)^2 = 25/4 x^2 5x/2 5x/2 5x/2 5x/2 25/ 4 25/ 4 25/ 4 25/ 4
  • 8.
  • 9. x + 12x = 108 2 x^2 3x/2 9/4 As solved before, b in this case is 12… Then the area of the red rectangle is 3x/2 To complete the equation : x^2 + bx + (b/2)^2 then (3/2)^2 =9/4
  • 10. -The Compendious Book on Calculation by Completion and Balancing -Al khwarizmi Arithmetic -The abridged book on algebra -The image of earth
  • 11.
  • 12. • Al Khwarizmi became a part of history! He was so bright nations fought and coned his nationality • He introduced us to math basics we couldn’t have understood them. • He’s pride to the Arab world •He has great levels in algebra