For other uses, see Calculator (disambiguation). A calculator is a electronics device for performing mathematical calculations, distinguished from a computer generally by a limited problem domain and an interface optimized for interactive calculation rather than extensive programming. Calculators can be hardware or software, and mechanical or electronic, and are often built into other devices such as PDAs or mobile phones for the convenience of the user. A basic calculator An old mechanical calculator. A scientific calculator. Modern electronic calculators generally take the form of a small (often pocket-sized) and usually inexpensive computer, designed for low price, portability, and primarily or exclusively interactive operation.

Saturday Night Live: Calculator

2 Brothers + 1 Christmas Wish.

PAPER CALCULATOR

MATHS ON PAPER

Be Human Calculator

. www.glad2teach.co.uk In just 4 minutes learn to calculate faster than any calculator. Your can power-up your weak Math muscle and turn it into a ...

LittleBigPlanet : Little Big Computer

i have made an "electronic" 8bit calculator (not "mechanical" calculator) with the Beta demo of "Little big planet" ...

Hacked Calculator Prank!

YouTube exclusive! Hack a calculator to make crazy sounds or say wacky things just for fun. Be the first to find out about my next video by ...

Marble Based Calculator

This guy built a calculator out of wood and marbles. I cant imagine how much time and effort this took to create. Its pr...

Human Calculator

In 4 minutes learn to calculate faster than the calculator. You can power-up your weak Math muscle and turn it into a bulging bicep.