This website contains over 100 pages and more than 500 problems solved step-by-step in all major sections of Calculus - from Theory of Limits to Fourier Series. This material will be useful to students, lecturers, and engineers.

This Textbook offers training in the understanding and application of statistics. The material was developed at the StatSoft R&D department based on many years of teaching undergraduate and graduate statistics courses and covers a wide variety of applications, including laboratory research (biomedical, agricultural, etc.), business statistics, credit scoring, forecasting, social science statistics and survey research, data mining, engineering and quality control applications, and many others.