Author Archives: Admin

Today is D-day for Junior Cert results. Students will be getting their results in school today or from 4pm they can get them online. In the scheme of things the results students get to day are of little real importance … Continue reading →

This morning I received an email typical of some I receive from parents a few times per year. It read as follows: Hi Noel. My son has just gone into junior cert and badly needs help to plan study and … Continue reading →

Apparently there is some discussion on the internet today as to the correct answer to this problem;  8 ÷ 2(2+2) = ?. It is reported that “Even mathematics experts are wading in – why? Because people are coming out with … Continue reading →

The fx-83GTX replaces the Casio Fx-GT scientific calculators  offering  additional features such as clearer display, clearer menus, faster processor and 14 additional functions. Allowed in every Irish exam where a calculator can be used. Recommended and approved for the  Junior … Continue reading →

Arithmetic is of great importance to most of us in our daily lives. Whether it is making calculations in connection with an occupation or working out the grocery bill most of us tend to use methods we learnt as children … Continue reading →

Pi Day is celebrated on March 14th (3/14) around the world. Pi (Greek letter “π”) is the symbol used in mathematics to represent a constant — the ratio of the circumference of a circle to its diameter — which is … Continue reading →

Another handy way to work out the table of trig values is to use your hand as an aid to recall as shown in the image below. For sin values count the number of fingers to the left of the … Continue reading →

Janus the Roman god of beginnings, gates, transitions, time, duality, doorways, passages, and endings is usually depicted as having two faces, one looking to the future and the other to the past. Whether or not the month of January has … Continue reading →

I have been asked by a reader of this blog if I have any tricks to help remember values in the trigonometric table. Well, Mohamed, here is a way to produce a version of the table. You can easily add … Continue reading →

If you can draw the picture, apply Pythagororas’ theorem and use similiar triangles you can work out the formulae.