How I can use dashes in this list?

Should I use hyphens here or not? "… A tournament in which many area schools to participate of various sciences, engineering, technology, mathematics and events based. "It seems the more punctuation.

Yes Too much unnecessary and use inappropriate from a script, you must use a comma between each item.

Science, Technology, Engineering and Mathematics

The Engineering Circuit Analysis Tutor: Volume 1 — 10 Hour Course! $32.95 This course is essential for any Engineering or Technology student taking a Circuit Analysis or Circuit Theory class. It is also suitable for anyone wishing to gain a fundamental understanding of the concepts of electric circuits. Engineering Circuit Analysis, also known as Circuit Theory, is difficult for most students primarily because the basic laws seem very simple. This leads the student t…

The Engineering Circuit Analysis Tutor: Volume 2 – 9 Hour Course! $32.95 Engineering Circuit Analysis, also known as Circuit Theory, is difficult for most students primarily because the basic laws seem very simple. This leads the student to believe that the exam problems will not be too difficult, when in reality there is a large amount of technique in solving circuit problems. In other words, practicing circuit problems is absolutely essential to success in any circui…

Wolfgang Doeblin: A mathematician rediscovered $53.71 Wolfgang Doeblin, one of the great probabilists of the 20th century. However, the full measure of his mathematical stature became apparent only in 2000 when the sealed envelope containing his construction of diffusion processes in terms of a time change of Brownian motion was finally opened. This film documents scientific and human aspects of this amazing discovery and throws new light on the star…

Texas Instruments TI-30X IIS 2-Line Scientific Calculator $6.01 There are many inexpensive scientific calculators on the market, but few boast the two-line display and other advanced features users get with the TI-30x IIS. The display shows the equation you are creating on the top line, and the numbers or symbols you are currently entering on the second line. Once the equation is solved, the results are displayed on the second line, and you can use the four ar…