This limited functionality demo software is provided 'as is' without warranty of any kind, either express or implied.
This is for illustrative purposes only, for persons, Expert in Mathematics and Science, for how to prepare their own software.

While preparing It has never been intended that :
1. the illustrative software will meet your requirements, will be secure or error-free ,
2. the results that may be obtained from the use of the software will be effective, accurate or reliable ,
3. the design, appearance and quality of the software will meet your expectations

But it is sure that :
1. it could include technical or other mistakes, inaccuracies or typographical errors.
2. it may be out of date in few centuries, and the author has no commitment to update such materials.
The author assumes no responsibility for errors or omissions in the software or documentation.
The use of the illustrative software is done at your own discretion and risk and with agreement that you will be solely responsible for any damage to the environment and global warming from such activities.