Define call it a day. call it a day synonyms, call it a day pronunciation, call it a day translation, English dictionary definition of call it a day. v. called , callÂ·ing , calls v. tr. 1. To say in a loud voice; announce: called my name from across the street; calling out numbers. 2. To demand or ask for...
In descriptive statistics, the interquartile range (IQR), also called the midspread or middle fifty, is a measure of statistical dispersion, being equal to the difference between the upper and lower quartiles, IQR = Q 3 â Q 1.
x-1 - I assume you mean x^(-1). This gives the inverse of a number, which means it is 1/x, where x is the number you put in. For example, if you press 2, and then press the x^(-1) button, it will look like 2^(-1), and return 1/2. nCr-nCr is like nPr, but the order of picking from the sample does not matter.F you don't have a manual, or can't find it, type the manufacturer's name in a Google search-box and then surf thru the mfr's website until you find information for your model of that calculator. You could also just try typing calculator key symbols in a Google search...