Author Archives: Dirk Wagner
Pringles are Hyperbolic Paraboloids
Pringles are hyperbolic paraboloids. What? Come again?
Three Principles of Homework
First Principle of Homework: You cannot force your child, he must want to do it. You cannot force your child to like homework. You cannot force your child to learn. You cannot force your child to read, to write, to … Continue reading
Choose the Proper Title: Miss, Mrs. and Ms.
Our expert tutor Susan Clark noted that TutorZ does not support the Ms. in the list of female titles. She found the choices of Miss and Mrs. limiting.
Surprising Reading Facts
33% of High School Graduates never read another book the rest of their lives
Testimonials in September: TutorZ Provides a Really Good and Valuable Service
Despite the much increased workload during the back-to-school season TutorZ pays special attention to each customer and aims at solving every problem. Out of hundreds of recent interaction with parents, students and tutors I like to highlight three of them.
5 Steps to Choose Best: ACT vs SAT
Every student who is applying for college must take placement tests. The two most common of these tests are the ACT and SAT. Both of these tests are nationally administered standardized tests that help colleges assess students. As you start … Continue reading
How to Draw an Ellipse
Did your math teacher confuse you when he or she introduced an ellipse (I don’t mean an elliptical trainer here.)?
Best Back-to-School Season 2014!
It is back-to-school season once again! Parents, students, and tutors are trickling back home from camping trips, couch-surfing adventures, hotel and even fancy resort extravaganzas. Slowly but surely, they replace their hiking and swimming with team sports, their visits to … Continue reading
Have the Best Back-to-School Season This Fall 2014
It’s August. Parents, students, and tutors trickle in back home from their hiking trails in the mountains, visits to the Smithsonian institution, or fancy vacation resort in Capo. Slowly but surely, they replace their thoughts of hiking to the sports … Continue reading
Sum of Infinite Geometric Sequence Equals 1/3
Look at this sequence: 1/4, 1/16, 1/64, 1/256, … What do you think is the value when adding up the terms of this sequence? The surprising answer is 1/3. If you find this answer surprising indeed, read on to figure … Continue reading