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Number formats

Decimals   2014

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Online calculators

Online games

Portable aplications

Calculator for Chemists
is a small but powerful scientific expression calculator which supports many scientific functions (sin, cos, log, power, root, memory, ...), normal and inverse. All of the calculations can be printed or saved and recalled again.
Solution Calculator
is a useful tool which allows you to calculate how many solid chemicals or stock solutions you will need to prepare the desired solution. The program provides lab-ready directions on how to prepare the desired solution.
Unit & Number Converter
helps you convert measurements from one unit of measurement to another (you can create your own custom units). It also includes the ability to convert the number from one numeral system into another (e.g. from binary into hexadecimal or Roman numeral system).