1545955
Building

# Number of wallpapers

Jak oszacować niezbędną ilość tapety?
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.

Long description

Obliczenia wykonywane są dla tapety o standardowej szerokosci rolki 53 cm i długości 10 m.

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3393333
Building

## 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.
962299
Building

## 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.
805315
Building

## Insulation of wall

Jak policzyć izolację ścian?
Calculator allows you to calculate the amount of insulation panels needed to cover the walls of the building using the "light wet" or "dry light" methods.
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Financial

## Mortgage Calculator . Calculation of loan installments - Simulation

Jak obliczyć ratę kredytu? Jak wyliczyć ratę kredytu hipotecznego? Kredyt hipoteczny symulacja rat Oblicz ratę kredytu gotówkowego
Calculator / simulator calculates the monthly loan installments and the total cost of the selected type of loan .
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Financial

## ROCE - an indicator of the efficiency of investment

The calculator calculates ROCE on the basis of these pre-tax profits, total capital and current liabilities ROCE (called Return On Capital Employed) - an indicator of the efficiency and profitability of the investment, which is the capital of the company involved.
20654
Math

## Number cheerful

Checks the calculator is a large number of so-called gay (Happy Number). Number gay is a natural number is defined as follows: Calculate the sum of squares of digits of the number. Repeat this process for the next results as long as we get the number 1 or the results will be repeated. If you have received as a result of one, the original number is the number of gay. Otherwise, a number bleak.
12453
Chemical

## Law Gay-Lussac

Calculator based on the programmed temperature and pressure values ​​are calculated using the selected parameter Gay-Lussac law.
19618
Life

## Freezing sea water

Calculator based on the average salinity of the basin are calculated freezing point of the water content by the formula Krummel.