27999
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.
see similar
1277751
Math
Weighted average ratings
The calculator calculates the weighted average of the ratings of the following items.
277057
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.
132748
Math
Trigonometric functions calculator
Calculator by entering an angle in degrees or radians calculated values of the basic trigonometric functions.
Users also viewed
36978
Life
The distance calculator between cities Polish
Calculator helps you calculate the distance in a straight line between two selected major Polish cities.
1681247
Life
Rainwater tank
The calculator calculates the amount of collected rainwater from the roof of the given dimensions.
Long description
1046201
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.
30429
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.
333709
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.