Yea, but you are going to need a battery holder for "cell" batteries like AA/C/D or you will need a 4.7 Volt LiON pack.
With the 6-cell, you will use the barrel jack on the Uno board.
If you use a 4.7 LiON pack, you will power from the 5 volt header pin.
My old calculator project:
https://forum.arduino.cc/t/dont-cross-the-streams-fp-scientific-calculator-serial-co-processor/144054
PS: Paul's response above is great ... worry about the programming but keep that power need in the back of your head as it will come up soon enough... like a phase-2 of project design.