“There are many free offers in the internet which do not really help. Therefore, the 6€ for this eBook are well invested money. After the purchase I could access the file immediately."
Andre R., Germany
“There are many free offers in the internet which do not really help. Therefore, the 7€ for this eBook are well invested money. After the purchase I could access the file immediately."
Andre R., Germany
“I think this book is very useful. I found the idea about the summary interesting-to collect all the basic formulas and examples in one place. This is useful for all exact science, not only for physics"
Alisa T., Germany