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Kalkulator powierzchni dachu
Jak obliczyć powierzchnię dachu?


Kalkulator umożliwia obliczenie powierzchni dachowych w wariantach : jednospadowy, dwuspadowy, trzyspadowy, czterospadowy.
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Calculator floor panels
Calculator based on the dimensions of the area to put the panels and occupancy data on number of panels in one package, calculate how much you have to buy packages of panels to cover the entire room.
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Number of wallpapers
Jak oszacować niezbędną ilość tapety?
Ile kupić tapety?
Jak obliczyć ilość tapety potrzebną do wytapetowania pokoju?
Ile kupić tapety?
Jak obliczyć ilość tapety potrzebną do wytapetowania pokoju?
Calculator to estimate the necessary amount of wallpaper needed to wytapetowania room of the given dimensions.
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Calculator VAT refund for building materials
The calculator calculates the amount of VAT that can be refunded in respect of incurred expenses associated with the purchase of construction materials.
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Examine the variability of the quadratic function
Calculator examines the variability of the course of a quadratic function in the field of real numbers.
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BMR Calculator - Basic Metabolic - PPM
Jak obliczyć wskaźnik BMR / PPM ?
The calculator calculates the BMR (Basal Metabolic Rate). BMR - the lowest rate of metabolism that occur in the human body, necessary to sustain basic life functions, which is located in standby mode under complete peace of physical and mental comfort that the 12 hours before the test, do not eat any meals, after 3 days of diet and protein-free after at least eight hours of sleep.
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LBM - body mass without fat
Calculator to the data: weight, height and gender calculates the total body mass without fat (organ weights, blood, bone, muscle, skin).
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Rainwater tank
The calculator calculates the amount of collected rainwater from the roof of the given dimensions.
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Weighted average ratings
The calculator calculates the weighted average of the ratings of the following items.