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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.                        
217205
Building

Raw materials for the construction of modular suspended ceilings - covered grill, removable plates

Calculator allows you to calculate the quantity of materials for the construction of modular ceilings.    
23792
Financial

Purchase price / sales tax bill

Financial Calculator will calculate the price of the purchase or sale of Treasury bills and the amount and an annual discount rate.                  
35488
Employee

Calculator social security contributions - the calculation of rates in Poland

Jak obliczyć wysokość składek ZUS? Jak obliczyć składkę na ubezpieczenie społeczne? Jak obliczyć ubezpieczenie zdrowotne?
Calculator to calculate gross salary given social security contributions deducted from the salary of the employee and the employer. [since 2008]            
29151
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.