SOURCE: i have a el-531x how do i cauculate fractions with it
Use the key marked [a b/c]
SOURCE: sharp advanced EL-531x how to input number after number for stats
First you have to set the calculator in STAT mode, presumably Standard Deviation or SD. The display should show a STAT annoucer to the top. To enter values use the key M+ (or the key next to which is marked DATA. The screen displays the number of data values entered so far.
To get the statistics you must use the keys marked with x bar, n, Sigma x, etc.
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