That's the left hemisphere. Recognition of words, letters, numbers, logic, and reason reside here. The right hemisphere is more artistic and abstract. Very simply stated, the left hemisphere is more rational and logical, while the right one is more intuitive and artistic. In right-handers, language development is controlled by the brain's left hemisphere, which also controls the more dominant right hand.
Some common products give even the most adaptable lefty a terrible time.
In the space provided, write the problems a left-handed person might have with each object. If you're right-handed, try using the object with your left hand. Take a look at numerous products designed for left-handers. While there may be a genetic component to handedness, some scientists believe it falls outside of pure Mendelian genetics. Conventional handheld calculators are geared to right-handers.