Anyone know an online calculator I can do a binomial problem
Yes.
https://web2.0calc.com/
One way to enter 6C5 is nCr(6,5)
yes https://stattrek.com/online-calculator/binomial.aspx
Thanks
I just added this to our list of useful calculators.
https://web2.0calc.com/questions/reference-material
In our reference material thread which is placed as a sticky note.
You could always try symbolab or MathPapa (2 of the more popular online calculators)