Apps on Mathematics

Walter Fendt

English version

(HTML5, 62 apps, 2024-12-16)

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(2023-08-10)

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Arithmetic

Number Pyramid	05/01/2023 - 05/02/2023
Abacus	08/06/2023 - 08/07/2023
Calculation without Rounding Errors	06/22/2020 - 08/17/2020
Unit Conversion	03/25/2001 - 04/19/2017
Primyphos - a Game about Prime Factorization	10/18/1998 - 11/20/2015
Table of Prime Numbers from 1 to 1 000 000 000 000	10/17/2003 - 07/27/2023

Online Calculator Algebra	08/17/2020 - 08/21/2021
Online Calculator Congruence Classes	07/21/2022 - 07/26/2022
Online Calculator Galois Fields	08/05/2022 - 08/13/2022
Online Calculator Legendre, Jacobi, and Kronecker Symbol	07/04/2023 - 07/25/2023

Angles at Parallel Lines	03/21/2006 - 04/05/2018
Sum of Angles in a Triangle	06/11/1998 - 07/27/2023
Simple Geometric Transformations	06/19/1999 - 08/01/2023
Thales' Circle	06/17/1998 - 07/27/2023
Special Lines and Circles in a Triangle	10/25/1998 - 07/28/2023
Circumcircle of a Triangle	11/25/1997 - 07/28/2023
Incircle of a Triangle	11/04/1998 - 07/28/2023
Cyclic Quadrilateral (Inscribed Quadrilateral)	11/01/1997 - 01/17/2016
Tangential Quadrilateral (Circumscribed Quadrilateral)	10/01/2000 - 01/17/2016
Regular Polygons (2 apps)	04/27/2018 - 12/03/2022
Angles at the Circle	11/01/1997 - 07/28/2023
Intercept Theorem	04/27/2000 - 04/26/2017
Pythagorean Theorem (1)	02/19/2001 - 07/30/2023
Pythagorean Theorem (2)	11/01/1997 - 07/30/2023
Twin Circles of Archimedes	04/11/2000 - 10/18/2015
Circle Inversion	03/23/2017 - 04/22/2017
Tangent Circles	10/05/2017 - 07/30/2023
Problem of Apollonius (10 apps)	12/27/2008 - 03/19/2017
Pappus Chain	03/04/2005 - 07/30/2023
Circumference and Area of a Circle	11/22/2002 - 07/31/2023

Platonic Solids	06/08/1998 - 07/31/2023
Volume of a Sphere (Cavalieri's Principle)	09/04/2000 - 07/31/2023

12/25/1997 - 07/27/2023

Spherical Triangle	02/06/1999 - 08/01/2023
Spherical Distance between Two Points	01/16/2021 - 08/02/2023

Components of a Vector	07/22/1998 - 08/07/2023
Vector Equation of a Line in Three-Dimensional Space	09/16/1999 - 08/08/2023

Slope of a Secant / Tangent Line	02/22/1998 - 08/08/2023
First and Second Derivative of a Function	10/10/1999 - 08/08/2023
Tangents to Graphs of Functions	09/06/2017 - 08/08/2023
Osculating Circles to Graphs of Functions	09/06/2017 - 08/09/2023

Right Strophoid	11/09/2020
Elliptic Curves	11/19/2020 - 11/22/2020
Conchoid of Nicomedes	11/21/2024 - 12/15/2024
Trochoids	11/25/2024 - 12/16/2024
Epitrochoids, Hypotrochoids, Peritrochoids	12/14/2024

12/04/1999 - 08/09/2023

08/18/2021 - 08/20/2021

Walter Fendt, December 16, 2024


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