Ignacy Zaborowski was a Polish

Poland

Poland , officially the Republic of Poland , is a country in Central Europe bordered by Germany to the west; the Czech Republic and Slovakia to the south; Ukraine, Belarus and Lithuania to the east; and the Baltic Sea and Kaliningrad Oblast, a Russian exclave, to the north...

 mathematician

Mathematician

A mathematician is a person whose primary area of study is the field of mathematics. Mathematicians are concerned with quantity, structure, space, and change....

 and geodesist; Piarist

Piarists

The Order of Poor Clerics Regular of the Mother of God of the Pious Schools or, in short, Piarists , is the name of the oldest Catholic educational order also known as the Scolopi, Escolapios or Poor Clerics of the Mother of God...

. He was a professor and rector

Rector

The word rector has a number of different meanings; it is widely used to refer to an academic, religious or political administrator...

 of the Collegium Nobilium

Collegium Nobilium

-Olomouc:Following the Thirty Years' War, the education in Moravia was firmly in the hands of Jesuits. Moravian nobility were keen to expand the range of areas taught at the University of Olomouc beyond just theology and philosophy. Despite opposition from the Jesuits, the Emperor Leopold I...

.

Biography

Born on November 2, 1754 in Ruthenian Voivodeship

Ruthenian Voivodeship

Ruthenia Voivodeship was an administrative division of the Kingdom of Poland . Together with Bełz Voivodeship, it formed Lesser Poland Province with its capital city in Kraków. Part of Lesser Poland region...

, Zaborowski attended Piarists

Piarists

The Order of Poor Clerics Regular of the Mother of God of the Pious Schools or, in short, Piarists , is the name of the oldest Catholic educational order also known as the Scolopi, Escolapios or Poor Clerics of the Mother of God...

 school in Zolochiv

Zolochiv

Zolochiv is a town located in the Lviv Oblast of western Ukraine. It is the administrative center of the Zolochiv Raion ....

. He joined the Piarists order and after that he taught mathematics

Mathematics

Mathematics is the study of quantity, space, structure, and change. Mathematicians seek out patterns and formulate new conjectures. Mathematicians resolve the truth or falsity of conjectures by mathematical proofs, which are arguments sufficient to convince other mathematicians of their validity...

 in Piarists school in Waręż

Warez

Warez refers primarily to copyrighted works distributed without fees or royalties, and may be traded, in general violation of copyright law. The term generally refers to unauthorized releases by organized groups, as opposed to file sharing between friends or large groups of people with similar...

 and Łomża. After moving to Warsaw

Warsaw

Warsaw is the capital and largest city of Poland. It is located on the Vistula River, roughly from the Baltic Sea and from the Carpathian Mountains. Its population in 2010 was estimated at 1,716,855 residents with a greater metropolitan area of 2,631,902 residents, making Warsaw the 10th most...

, he became a teacher of mathematics and measuring, and then rector

Rector

The word rector has a number of different meanings; it is widely used to refer to an academic, religious or political administrator...

 (1799–1801) of Collegium Nobilium

Collegium Nobilium

-Olomouc:Following the Thirty Years' War, the education in Moravia was firmly in the hands of Jesuits. Moravian nobility were keen to expand the range of areas taught at the University of Olomouc beyond just theology and philosophy. Despite opposition from the Jesuits, the Emperor Leopold I...

. In 1777 he went to Vienna

Vienna

Vienna is the capital and largest city of the Republic of Austria and one of the nine states of Austria. Vienna is Austria's primary city, with a population of about 1.723 million , and is by far the largest city in Austria, as well as its cultural, economic, and political centre...

 for supplementary studies.

In 1786 Zaborowski published the textbook

Textbook

A textbook or coursebook is a manual of instruction in any branch of study. Textbooks are produced according to the demands of educational institutions...

 Jeometria praktyczna (Polish

Polish language

Polish is a language of the Lechitic subgroup of West Slavic languages, used throughout Poland and by Polish minorities in other countries...

 for Practical geometry), where he described methods of geodesic

Geodesy

Geodesy , also named geodetics, a branch of earth sciences, is the scientific discipline that deals with the measurement and representation of the Earth, including its gravitational field, in a three-dimensional time-varying space. Geodesists also study geodynamical phenomena such as crustal...

 measurement. The book was awarded the Merentibus by Stanisław August Poniatowski. Zaborowski was an author of Logarytmy dlá szkół narodowych (Polish for Logarithm

Logarithm

The logarithm of a number is the exponent by which another fixed value, the base, has to be raised to produce that number. For example, the logarithm of 1000 to base 10 is 3, because 1000 is 10 to the power 3: More generally, if x = by, then y is the logarithm of x to base b, and is written...

s for national schools) written by order of Commission of National Education

Komisja Edukacji Narodowej

The Commission of National Education was the central educational authority in the Polish-Lithuanian Commonwealth, created by the Sejm and king Stanisław August Poniatowski on October 14, 1773...

 and published in 1787. He also wrote Tablice matematyczne (Polish for Mathematical table

Mathematical table

Before calculators were cheap and plentiful, people would use mathematical tables —lists of numbers showing the results of calculation with varying arguments— to simplify and drastically speed up computation...

s) which was published in 1797. He translated Fulgenty Obermajer's Arytmetyka praktyczna kieszonkowa. He started working on the book Geometria wiejska, an agriculture measurement textbook, but it has not been finished.

In 1800 he became a member of the Society of Friends of Science

Society of Friends of Science

The Warsaw Society of Friends of Learning was one of the earliest Polish scientific societies, active in Warsaw from 1800 to 1832.-Name:The Society was also known as Warszawskie Królewskie Towarzystwo Przyjaciół Nauk...

. Since 1802 he was a provincial

Provincial superior

A Provincial Superior is a major superior of a religious order acting under the order's Superior General and exercising a general supervision over all the members of that order in a territorial division of the order called a province--similar to but not to be confused with an ecclesiastical...

 of Piarists

Piarists

The Order of Poor Clerics Regular of the Mother of God of the Pious Schools or, in short, Piarists , is the name of the oldest Catholic educational order also known as the Scolopi, Escolapios or Poor Clerics of the Mother of God...

.

Zaborowski died on in Warsaw

Warsaw

Warsaw is the capital and largest city of Poland. It is located on the Vistula River, roughly from the Baltic Sea and from the Carpathian Mountains. Its population in 2010 was estimated at 1,716,855 residents with a greater metropolitan area of 2,631,902 residents, making Warsaw the 10th most...

.

Works

Books:

• Jeometria praktyczna (1786)
• Logarytmy dlá szkół narodowych (1787)
• Tablice matematyczne (1797)
• Geometria wiejska (never finished)

Translations:

• Obermajer, Fulgenty. Arytmetyka praktyczna kieszonkowa, Porywcze codzienne trafiające się rachunki, przy redukcyach monet, przy kupi i przedaży, z wielką łatwością odprawująca przez taryfę, o której na samym czele kładnie się informacya.

External links

Logarytmy dlá szkół narodowych book online (DjVu

DjVu

DjVu is a computer file format designed primarily to store scanned documents, especially those containing a combination of text, line drawings, and photographs. It uses technologies such as image layer separation of text and background/images, progressive loading, arithmetic coding, and lossy...

format)