Numbers can sometimes be too large or too small to be expressed normally. If you’re working on a problem involving the weight of the earth or the size of an atom, writing down or entering several zeroes in a calculator is inconvenient at best. Writing scientific notation is one of the easiest ways of expressing …
Comparing the means of two populations becomes easy with the help of two-sample t-tests. The results of these tests help determine if there is a big difference between the means of the samples. Furthermore, if the test outcome reports a large difference between the means, it means that the data samples are strong, and the …
A T-Test is a hypothesis test that we use in statistics to compare two data sets’ respective means. It is a kind of inferential statistics. It concludes if there is a significant difference between the two groups’ means, which otherwise could be related to a few attributes. For example, you can use a t-test to …
If you are a parent of a high school student, your child’s math teacher is probably requesting a mandatory unique calculator. Regardless if the math is Algebra, Geometry, or Trig, a specific calculator will be required for the student to complete the work successfully. At first, you may be confused as to which calculator is …
Humans have been counting, calculating, and charting since the beginning of time. At first they used their fingers and then such things as piles of pebbles, bundles of twigs, and simple mechanical devices like the revolutionary abacus. It is hard to imagine a time when we all didn’t have a calculator in our school bag …
Texas Instruments (TI) graphing calculators are virtually unchanged over the years, leading many industry observers to wonder if they are now obsolete. Judging from their enduring popularity, however, it seems that these reliable dinosaurs are here to stay, at least for the foreseeable future. A Throwback to the Pre-Digital Era The TI graphing calculator is …
The TI Graphing Calculator: A dominantly stable, profitable product. In 2009 the Wall Street Journal ran an article which describes that approximately 80% of the graphing calculators sold in the USA were made by Texas Instruments (TI). By contrast, competitor Hewlett-Packard (HP) had less than a 5% stake in the graphing calculator market. The story …
It’s easy to forget, when the calculators that are sold in big-box stores across the land, blister-packed in plastic, can perform the most ferociously complex calculations — and display the results in the form of a clear, easily-read graph — that there was a time when even a calculator that could manage more than the …
There has been a lot of interest in licensing meta calculator. Our company, Engaging Edu, has licensed various IP over the last few years, and, of late, our scientific/graphing calc has been in hot demand–whether it’s from companies that want to buy it or companies that want to license it. A recurring issue in the process …
So you have to take a standardized test and you want to know what calculator you can actually bring to the test. Here are some helpful links for students Calculators for the SAT (Pretty flexible here. Looks like they even take a TI-89 calculator) New York State Regents Exam (TI-84, TI-85 are indeed allowed but …
Meta Calculator Online has some awesome new features coming to its graphing calculator. Polar equations Restricted domain/range control. For instance, you can set the range to 0<y< 3 if you only want to see its graph over that y interval Ability to store equations and other data on our server. If you register with us, …
If, like me, you grew up using the classic Texas Instruments calculator as your primary graphing calculator, then the title of this post might be exactly what you, yourself have wondered. I mean, don’t get me wrong. I love the TI 84 and the Ti- 89 is amazing and comes full of features like the …