It's a shocking idea. By zapping brains in maths lessons, scientists claim to have boosted students’ abilities by a third. Participants became quicker at calculating and learned up to five times ...

Physics and Python stuff. Most of the videos here are either adapted from class lectures or solving physics problems. I really like to use numerical calculations without all the fancy programming ...

With the focused practice of topics like ratio and proportion, time and work, percentages, profit & loss, number series, etc., candidates can excel in this section and secure their dream banking ...