Unit Converter Ultimate VS OpalCalc

Unit Converter - It's More easy to covert the UNITS now with the APP

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 .

unitMeasure - A sleek unit calculator for android

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

Tweetbot - Sync your timeline across your iPhone, iPad, and Mac. Mute tweets by user, hashtag, tweet source, or keywords (including regex). 3rd Party support for image, video, read later, and timeline sync services.

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.