9963
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.                                  
9677
Math

Number of tetrahedral

Tetrahedral numbers are the natural numbers, for which it is possible to construct a tetrahedron formnego of bullets. They are a special case of the pyramidal numbers.        
15313
Life

Speed bowling ball

The calculator calculates the average speed of the bowling ball thrown from the offside line for the entry in field settings bowling.    
58333
Verifiers

Verification of the social security number in Poland

It presents data deriving from the unique social security number, such as date of birth, sex, serial number and check its correctness.
32330
Math

Roots of a quadratic equation

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