Most interesting in Standard Calculators

It's free useful calculator for Windows.

Windows *adding machine* style calculator. Jumbo sizemode included for accessibility.

Numero is a calculator with some nice features. It has a text box that displays all...

A small, but powerfull calculator for scientific and general use.

a little and easy to use RPN calculator

A powerful virtual calculator written in Java. It has several groups of functions...

A small, convenient and rather powerful program. It can perform all arithmetic operations...

A scientific calculator program featuring extensive mathematical functions.