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Six disadvantages of calculators are: -They discourage mental math. -They can store formula's in their memory, allowing students to cheat on tests. -They can distract students, with games. -They are expensive, and unaffordable for some students. -They are difficult to learn to use, with fancy buttons and menus. -They are big, and hunky and aren't easily carried around.
The disadvantages of calculators is that they are no longer practical or convenient. Unless scientific in nature, most people use the calculators on their smart phones and wireless devices. While stand alone calculators are still in use, their popularity has immensely decreased across the nation.
Simply type in 2500000. In scientific calculators it can also be done by typing in the form of exponents, that is, 2.5x10^(6).
Calculators are used to calculate, or solve math problems to come up with solutions.Hope that helped!
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Graphing calculators have the ability to see a visual representation of graphs and equations. Scientific calculators have less features and can only perform numerical mathematical equations. Graphing calculators cost around $90 while scientific calculators can be found for under $10.