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VATCalculators.co.uk - Free UK VAT calculator. We have created this VAT calculator as a free to use tool for calculating VAT rates in the UK.
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 .
Unit Converter - It's More easy to covert the UNITS now with the APP
Qalculate! - Qalculate! is a multiplatform multi-purpose desktop calculator.
Material Unit Converter - Quick, free, online unit converter that converts common units of measurement, along with 77 other converters covering an assortment of units.
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.