Roots of a quadratic equation
Calculator based on the entered coefficients calculated roots of a quadratic equation.
Weighted average ratings
The calculator calculates the weighted average of the ratings of the following items.
Trigonometric functions calculator
Calculator by entering an angle in degrees or radians calculated values of the basic trigonometric functions.
Arabic numbers Converter - Roman
Calculator converts numbers to roman Arabic or Roman to Arabic vice versa. The maximum value that the calculator correctly parse the number 3999.
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Calculator seniority in Poland
Calculator to calculate the total length of service after the date of employment or dismissal.
Excise tax refund calculator in Poland
Calculator based on the specified value of the car, paid tax engine calculates the amount of refund of excise duty.
Consumption Calculator mortar and grout
The calculator calculates the approximate consumption of mortar and grout when laying tiles on the given area , taking into account the amount of work gear tooth , tile size and the width and depth of the weld.