A calculator is a device that is important to everyone. Because on a daily basis, we are bonded with the figures to calculate, we will need to use becomes the owner calculator for your convenience in our daily life. So today we recommend how to buy calculator comes, everyone read.1. the number of digits that can be calculated, such as the generic can be calculated at 12, but if the big machines will be able to calculate the 16-18 this principle.2. power source. If it's an older version, you must put the batteries AA or AAA, they say, but if this is a new version, it will be the use of solar energy kueay. The advantage is that the save, but the disadvantage is not available in the light does not exist.3. calculation functions such as finance, math formula to calculate the different sasat. Calculation of sutwicha architects, engineering specialist, such as a search.4. the size of this one, but some people like a little dude like portable. Some people prefer to use a big right-handed see full well, but I like it lol.5. press the button, I have hit some calculators property is very good, but very difficult to press the buttons, easy to use. This one I recommend to experiment. I may regret later.6. quality guarantee someone will not give priority to this subject. Focuses on cheap, but imagine it! If you want to work at a machine crash occurred, it came up to hasten the pressure comes, it is now ruined. Yes SIM nganngokDon't think that buying a calculator will be not important, because otherwise it may create wapanha to you later. Good luck dude
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