The TI-30XA is one inexpensive scientific calculator authorized for use on SAT and ACT tests, 2 of the most usual college entrance exams, and also on advanced Placement exams. You may not take your very own calculator to these exams, so come to be familiar forward with specific capabilities and also limitations of the TI-30XA calculator handed out with the test. Pay one-of-a-kind attention come the second role key, the method you usage calculator memory and the keystrokes required for decimals, fractions, mixed numbers, exponents and powers.

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Key determinants to store in mind as soon as using the TI-30XA clinical calculator: the yellow second-function key


You’ll seldom employ few of the 30XA’s more esoteric features when acquisition the college entrance and progressed Placement tests. One key function the you might not be acquainted with, however, is crucial for successful completion that the test. This is the yellow <2nd function> vital at the top left-hand edge of the keyboard. This crucial shifts the focus away indigenous the role on the challenge of the vital and onto the role printed in yellow above it.


For example, to uncover 17 percent that 342, you enter <342> <×> <17>, then press <2nd function> <2>. This activates the second role that shows up in yellow over the 2 key, i m sorry is <%>. The order of keystrokes matters as soon as using the 2nd function key, which constantly carries the end the operation on the worth you keyed in immediately before you hit the second function key. If you an essential in <17> <×> <342> <2nd function> <2> instead, the calculator will certainly compute the worth for 342 percent of 17.


Hit the vital to save a number in among three memory areas. Because that example, to keep the product that 20 × 167 in memory one, hit <20> <×> <167>, <1>. Come recall a number from any kind of of these memory areas, fight the recall key, , followed by the variety of the storage area. For example: <1>.


The entry process for fractions and mixed number takes time to acquire used to. To enter either a portion or a blended number usage the key in the left-most obelisk – the second crucial from the bottom. The stimulate entry because that 1/2, because that example, is <1> <2>. Transform mixed numbers to fractions utilizing the 2nd function ~ above the key. Because that example, to transform 3 1/2 come an improper portion enter the combined number, climate hit the second function key, then the key. The second role of the an essential is . For example: <3 1/2> becomes 7/2.

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You have the right to raise any kind of base number to any type of power by making use of the key – talked of as "​y​ come the ​x​" – above the division key in the right-most column. To discover the worth of 35, vital in <3> <5> <=>. For powers the "e," such as "e" come the fifth, crucial in <5> <2nd function> <=>. The second role of LN is "e to the ​x​." “LN” represents “natural logarithm.”


Patrick Gleeson obtained a doctorate in 18th century English literature at the university of Washington. He served as a professor the English at the university of Victoria and also was head of freshman English at mountain Francisco State University. Gleeson is the director of technical publications because that McClarie Group and also manages an investment fund. That is a Registered investment Advisor.