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1
Content available Central Limit Theorem visualized in Excel
Hodaňová J., Zdráhal T.
Scientific Issues of Jan Długosz University in Częstochowa. Mathematics
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2014
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Vol. 19
51--55
EN
The Central Limit Theorem states that regardless of the underlying distribution, the distribution of the sample means approaches normality as the sample size increases. This paper describes the steps in MS Excel to help students’ better understanding of this theorem.
2
Content available Didactic PC game as a tool of curriculum enrichment of mathematically gifted students education
Bártek K., Bártková E., Zdráhal T.
Scientific Issues of Jan Długosz University in Częstochowa. Mathematics
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2011
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Vol. 16
179--184
EN
Curriculum enrichment principle is one of the approaches in education of mathematically gifted students. Usage of didactic computer games could be one of the possibilities of accomplishment.
3
Content available remote Modulo arithmetic and modulo design
Zdráhal T.
Scientific Issues of Jan Długosz University in Częstochowa. Mathematics
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2007
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Vol. 12
447-450
EN
This paper deals with one application of Modular Arithmetic intended to students of secondary schools. The method of creating so called modulo designs by means of modulo numbers is shown. The designs can be created by means of the Cabri Geometry.This access enables pupils to develop effectively their creative thinking within not only mathematics.
4
Content available remote On one Linear Approximation Used in one Applied Problem
Rys P., Zdráhal T.
Scientific Issues of Jan Długosz University in Częstochowa. Mathematics
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2003
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Vol. 9
191--193
EN
The purpose of this talk is to demonstrate how useful is the linear approximation [formula] for the easy solution of the problem of conversion of mass to energy. The importance of approximations stems from the fact that so many of the functions we deal with in science and engineering are too complicate. On the other hand, in these cases we can sometimes approximate such functions with simpler ones that gives the accuracy enough to solve problems described by complicated functions. The aim of this article is to show the simplest of the useful approximations - the standard linear approximation enables us to understand the relation between the mass and the energy.
5
Content available remote Equations with Parameter Solved in Cabri Geometry
Rys P., Zdráhal T.
Scientific Issues of Jan Długosz University in Częstochowa. Mathematics
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2003
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Vol. 9
187--190
EN
In this contribution a method for graphical solving any quadratic equation as well as a method for graphing quadratic functions by means of the Cabri Geometry is shown. The goal is to provide high school 's students with the visual idea how parameter in both equations and functions is doing.
6
Content available remote On Some Consequences of Universal Sets
Zdráhal T.
Scientific Issues of Jan Długosz University in Częstochowa. Mathematics
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1999
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Vol. 6
153--157
7
Content available remote The stability of Fréchet’s equation
Zdráhal T.
Scientific Issues of Jan Długosz University in Częstochowa. Mathematics
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1998
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Vol. 4
16-21
EN
In this paper the Hyers - Ulam stability of Fréchet’s functional equation is dealt with. Our approach is motivated by results of L. Székelyhidi (see [2] and [3]) who pointed out that the classical Hyers's theorem on stability of this functional equation holds true (under an auxiliary hypothesis) for functions defined on amenable semigroups.
8
Content available remote Quasiarithmetic mean
Rys P., Zdráhal T.
Scientific Issues of Jan Długosz University in Częstochowa. Mathematics
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1998
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Vol. 4
8-15
EN
This talk through the mediation of easy motive examples gives reasons for proper establishing of the quasiarithmetic mean and gives instruction to solve practical problems that common aim is to find ,,an average" of certain values.
9
Content available remote Using Modern Technology to Teach Precalculus
Rys P., Zdráhal T.
Scientific Issues of Jan Długosz University in Częstochowa. Mathematics
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2000/2001
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Vol. 8
169--172
10
Content available remote Calculus Infinitesimalis
Rys P., Zdráhal T.
Scientific Issues of Jan Długosz University in Częstochowa. Mathematics
|
2000/2001
|
Vol. 8
161--168
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