13653
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.        


see similar
1275987
Math

Weighted average ratings

The calculator calculates the weighted average of the ratings of the following items.              
275050
Math

Conversion between number bases

Converter allows you to convert numbers between number bases - binary (binary), trójkowym, czwórkowym, Friday, szóstkowym, siódemkowym, octal (octal), dziewiątkowym, decimal (decymalnym) jedenastkowym, dwunastkowym, trzynastkowym, czternastkowym, piętnastkowym, hexadecimal (hex). Typed characters that are not numbers and the letters A, B, C, D, E, F are ignored.      
131270
Math

Trigonometric functions calculator

Calculator by entering an angle in degrees or radians calculated values ​​of the basic trigonometric functions.
Users also viewed
29129
Math

GCD + LCM (Euclidean algorithm)

GCD + LCM (alg. Euclid) The calculator calculates the greatest common divisor (GCD) and least common multiple (LCM) of two numbers. Long description   Number 1   Your first \ u0105 numbers \ u0119      
23296
Math

Area of ​​a triangle using Heron's formula

calculator calculates the area of ​​a triangle after a length of three sides.                
32549
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]            
14302
Financial

Calculator ARP (annual percentage rate)

calculator to input the loan amount, the amount of commission (percentage) and the repayment time is calculated the annual interest rate.              
26564
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.