RANDOM.ORG - RANDOM.ORG offers true random numbers to anyone on the Internet.

SpeedCrunch - SpeedCrunch. SpeedCrunch is a high-precision scientific calculator featuring a fast, keyboard-driven user interface. It is free and open-source software, licensed under the GPL. Download Documentation Donate .

Random Number Generator - Randomly generate integers or floating point numbers within a given range and specified discrete or continuous statistical probability distribution.

Qalculate! - Qalculate! is a multiplatform multi-purpose desktop calculator.

Random-Required - A random string generator that can take numbers, letters, symbols, Chinese characters and arbitrary...

Soulver - Soulver is a software application that functions as a calculator that allows you type a continuous stream of information rather than having to input data into multiple cells.