Contra
(-) Are now TR with storage, natural display, the option to show the last equations, and all other tasks harassment Ifs cheap and highly recommended by the School or Technical.
(-) Long equations you have to sometimes step by step to solve this demand because the TR has almost no memory is use some common sense.
Per
(+) In an emergency it may be all you need at school, until graduation and beyond
(+) Very good readability of the display and keys
(+) Good haptics
(+) Long battery life and easy battery change
(+) It is made of recycled material, well environment and so ^. ^
(+) It seems very robust, I expect that I can use him in 10 years
an eminent TR for all who need more than just the basic arithmetic and a good second / spare TR for pupils or in the scientific field.
