Analysis 
Linear Algebra 
(university) 
(grammar school / high school) 
Prime
numbers there exists no greatest prime number 
Exercises
Linear Equations (technical college) 
Sequences
of numbers, limit theorems 
Matrices,
inverse matrix, Gaussian Algorithm using the inverse matrix for solving linear equations description of the Gaussian algorithm for linear equations Calculating the inverse matrix further calculations 02, 03 using the Gaussian Algorithm additional explanations for the Gaussian Algorithm, used for calculating the inverse matrix and for using the adjoint matrix, calculating the inverse matrix 
Infinity 
Trigonometric functions 

dynamic HTML with GeoGebra The functions can be hidden or unhidden and moved along the axes. This functionality needs JAVA to be implemented on your computer. 
pdf files if the dynamic HTML files do not work 
Addition
of sin und cos 
Addition
of sin and cos 
Addition
of vibrations (waves) Asin(ax+b)+Bsin(cx+d) 
cos and
acos The Cosinus and it's inverse functions 