Question about Sharp EL-501WBBL Calculator
I am trying to do combinations on my calculator, but I can't find a button to do nCr problems.
There is no such key on this calculator. You can calculate it using factorials. To calculate nCr you can calculate n! / (r! * (n-r)!).
Posted on Apr 30, 2012
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Posted on Jan 02, 2017
Use the sequence [2ndF][nPr] for permutations and [2ndF][nCr] for combinations.
Exemples: 10(nPr)3 is entered as 10[2ndF][nPr]3 [=] gives 720
5(nCr)2 is entered as 5 [2ndF][nCr] 2 [=] gives 10
Hope it helps.
Posted on Sep 17, 2009
I don't see that model listed...are you positive on exact model number?
Posted on Sep 05, 2009
SOURCE: user's manual Sharp EL-531WH
You can download the manual from the link below: http://esupport.sharp.at/html/om/index.php?StartRec=50&ListLimit=10&Lang=%&TemplateLang=en&ProdLine=30&SortOrder=DESC&OrderBy=Title&SearchString=
Posted on Aug 10, 2007
The source of errors is most certainly due to the wrong schoice of angle unit (degree or radian). If the default angle unit set in your calculator is the degree, any value fed to the trigonometric functions (sin, cos, tan) is considered to be expressed in degrees. Consequently, if you calculate the arctangent ( tan^-1) of a value, the angle returend by that inverse trigonometric function is expressed implicitly in degrees.
Similarly if radian is the default angle unit in your calculator, any angle returned by an inverse trigonometric function (arcos, arcsin, arctan) is in radian.
Set the default angle unit as the one required by your problem at hand. This way, the angles returned will be in the right unit and you will not have a problem of interpretation.
Hope it helps.
Posted on Dec 07, 2009
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