Math

Multiplication table

Multiplication table 20 × 20 gives the opportunity to multiply their arbitrary natural numbers (1-20).

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Weighted average ratings

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

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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.

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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

Interest coverage

Calculator to the data calculated interest coverage ratio. WPO - tells you how many times the possibility of payment of interest is higher than the interest burden. The higher the level, the company feels less burdensome to pay interest.

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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.

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Convolution of two vectors

The calculator performs convolution of two vectors of the same length in the field of real numbers by zsuwową.

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Statistical calculator

Calculator allows to determine the basic statistical parameters such as standard deviation, arithmetic mean, variance, and median for the values.

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Freezing sea water

Calculator based on the average salinity of the basin are calculated freezing point of the water content by the formula Krummel.