107160
Life
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.
14331
Math
Number of square-triangle (square triangular number)
Number of square-triangle has the properties of a square and a triangular number.
27079
Math
The harmonic mean
Calculator based on the entered numbers separated by commas calculate the harmonic mean.
24302
Math
Centroid of the triangle
The calculator calculates the centroid of the triangle. Centroid is the point through which the median of the three triangle. It divides each median in the ratio of 2:1.
31847
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]
25792
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.
28365
Life
How far was struck by lightning
Calculator based on the specified time from seeing lightning until you hear thunder in the distance calculated discharge occurred.
22643
Math
Area of a triangle using Heron's formula
calculator calculates the area of a triangle after a length of three sides.
17947
Building
Compare the cost of heating oil and pumps OCHSNER
Calculator is used to compare the operating costs for heating oil and pumps OCHSNER.
13927
Legal
Legal calculator
Calculates the effective date of the act, published in the official journal.
21635
Savings
Buying on credit or leasing
Calculator allows you to compare the costs incurred when buying a car on credit and taking it on lease.
49554
Life
Calculator - dosage of CO2 in the aquarium
Ile co2 w akwarium?
Dawkowanie co2 w akwarium.
The online calculator by entering the pH and kH values to calculate the concentration of CO2 in the aquarium.
15424
Medical
The range of the volume distribution of erythrocytes
Calculator by entering the standard deviation of the red blood cells and mean corpuscular volume calculated volume distribution span of erythrocytes.
http://pl.wikipedia.org/wiki/Rozpi%C4%99to%C5%9B%C4%87_rozk%C5%82adu_obj%C4%99to%C5%9Bci_erytrocyt%C3%B3w
40679
Financial
Interest Calculator own (contractual)
The calculator calculates the amount of interest your / contract on the basis of the facts and the required payment date and the amount and percentage rate (annual, monthly, daily).
12615
Savings
How long do you need to save
Based on input converter calculates how long you have to save to accumulate the required amount, taking into account the capitalization of monthly or annual basis.