Essays on Pisa

(College/University/Institute)

Leonardo Pisa

Prior to the introduction of modern concepts for calculation, various mathematical operations would have required proficiency in the use of the abacus. However, in 1202, Leonardo da Pisa, an Italian math expert, released a book entitled “Liber Abaci,” or “Book for Calculation.” The book revolutionized the methods of calculating figures by establishing useful approaches in using the Arabic numbers 0 to 9 to the Western world. Though the book did not find immediate acceptance in the West, in the end it revolutionized the areas of commerce, finance, research, science and technology. Furthermore, da Pisa’s work laid the ...

Question 1:

An art is just but a human activity that is either visual, performing or an auditory artifact. Over the years, a succinct definition has not been effectively realized, most of which are vague and lack clear meaning. However, it’s worth noting that an art is a diversified field that has different elements. To be precise, an art is a mere imagination that is primarily means to express an artist’s technical skills or creative imagination. An art is a subject of creatively whose major aim to derive appreciation. Well, as it is known, appreciation is a matter of ...

Hernan Cortes (1485-1547) – a Spanish conquistador, conqueror of the Aztec Empire. In 1504, Cortes left Spain on the ship "Quintero". In the next 15 years, he fought in the Antilles with the natives. In 1511, together with a prominent Spanish commander D. Velasquez participated in the capture of the island of Cuba. Velasquez became governor, and his favorite Cortes – Secretary. In 1519, a military expedition under the command of Cortes was organized. He entered the capital of the Aztec empire Tenochtitlan (now Mexico City) and captured Montezuma – leader of the Aztecs; long time was governor of Mexico. In 1541, ...

Galileo Galilei is an Italian scientist, physicist, engineer and astronomer, one of the founders of natural science; poet, scholar and critic. He struggled against scholasticism, he considered the knowledge to be the basis of experience. He laid the foundations of modern mechanics, introduced the idea of ​​the relativity of motion, established the laws of inertia, and the free fall movement of bodies on an inclined plane, the addition of movements; opened isochronous oscillations of a pendulum; first investigated the strength of beams. Galileo was born February 15, 1564 in Pisa. In this city, he learned at school until he ...