Question about Sharp EL-531VB Calculator
It is active only when the computational mode is set to Statistics (Standard Deviation). You press it after each data item. The M+ button allows you to add the content of the display to the independent memory (M). SHIFT M+ corresponds to M- and it subtracts from the independent memory the number that is in the display.
Posted on Aug 26, 2010
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Posted on Jan 02, 2017
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Oct 17, 2014 | Sharp EL531 Scientific Calculator
SEC, CSC & COT are the INVERSE of COS, SIN & TAN and are usually require hitting the "2nd F" or "Func" key of the calc to make:
SIN button work as COSEC,
COS button work as SEC
TAN button work as COT
Formulas are below:
sec x = 1
cosec x = 1
cot x = 1 = cos x
tan x sin x
Feb 05, 2013 | Sharp EL531 Scientific Calculator
Keyboard shortcut You can also press CTRL+C.
Keyboard shortcut You can also press CTRL+V.
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