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Math

# Roots of a quadratic equation

Calculator based on the entered coefficients calculated roots of a quadratic equation.

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## Weighted average ratings

The calculator calculates the weighted average of the ratings of the following items.

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## Trigonometric functions calculator

Calculator by entering an angle in degrees or radians calculated values of the basic trigonometric functions.

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## 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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## Glasgow Coma Scale - Assessment of the level of awareness

Calculator to the data give an assessment of the level of consciousness by the Glasgow Coma Scale.

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## Map Scale Converter

Calculator allows to determine the actual distance corresponding to the distance on the map with the specified scale. If the map at 1:500,000 scale the input field, enter the value 500000.

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## Calculator seniority in Poland

Calculator to calculate the total length of service after the date of employment or dismissal.

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## 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.

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Building

## 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.