64945
Math

# Circumference of an ellipse

The calculator calculates the circumference of an ellipse for a given length of the axis passing through it.

Long description

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Math

## Weighted average ratings

The calculator calculates the weighted average of the ratings of the following items.
264592
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.
125343
Math

## Trigonometric functions calculator

Calculator by entering an angle in degrees or radians calculated values ​​of the basic trigonometric functions.
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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.
839255
Building

## Insulation of wall

Jak policzyć izolację ścian?
Calculator allows you to calculate the amount of insulation panels needed to cover the walls of the building using the "light wet" or "dry light" methods.
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Life

## Rainwater tank

The calculator calculates the amount of collected rainwater from the roof of the given dimensions. Long description
34570
Verifiers

## Verification of the ISSN

Calculator allows you to verify the number entered ISSN (International Standard Serial Number serial publication). FAQ: How ISSN number?
23891
Math

## Distribution of the factors

Calculator performs decomposition of the given number of factors that are prime numbers (factorization).