Electricity consumption calculator
Electricity consumption calculator allows you to check how much power the device used at the given power has consumed, working for a certain time.
Are you wondering how many zeros are in a million, a billion, a billiard or a trillion?...Conversion of Roman numerals into Arabic
Do not know how to write a number in the Roman system? Use our calculator and you will...Paint consumption calculator
The paint consumption calculator will help you check how much paint you need to paint a...Stopwatch
The stopwatch is most often used during workouts, it may also be useful in other...
The character calculator allows you to check how many words and characters (including...Derivative calculator
The derivative calculator makes it possible to calculate derivatives of functions...Currency calculator
The currency calculator allows you to convert currencies according to the latest NBP...