# How To Use Financial Calculator Functions | Learn Financial Calculation With FREE Calculator App

##### How To Use Financial Calculator Functions | Learn Financial Calculation With FREE Calculator App

Start here at the bottom left and this is the on button obviously to turn the calculator on and off the f and g keys are what they call prefix buttons and they are used to switch to the corresponding colors that are on the various keys many of the keys have two or three different functions and you use the f and g key to access those next we have the storage key

The calculator comes with 10 storage boxes zero through nine and if you have a calculation and a result that you may want to access later on as you are working through a problem you can hit the store key and then the number to which box you want to store that result in so let’s say you have a number that you want to remember later you just store it in that box

And then you use the recall key and then again hit the one to access that number and it’ll bring that up back up on your screen the enter key you’ll use quite a bit because this calculator uses reverse polish notation which like i’ve said before once you start using rpn you’ll never go back but the enter key is what you use to separate the inputs before you do

Your arithmetic function so imagine you want to say 2 plus 3 you would go 2 enter 3 and then add and we’ll get into the rpn practice shortly obviously here we have on the right the arithmetic functions up here in the top center we have the change sign button so if you need to make a number from negative to positive or positive to negative you just hit the change