Values in memory will be lost if page is reloaded.
In bases other than base 10 (decimal), fractional values will be rounded
down.
If you click on a button and then later press the enter key for "=", the act
of pressing enter might also cause the last key you have clicked on to be
pressed again.
Check the "Hovering tooltips" box if you are unsure what some calculator
functions do, then hover your mouse over the button in question.
