Math

The sum of squares of integers from 1 to n

The calculator calculates the sum of squares of consecutive integers from one to the specified value.

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Math

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.

132166

Math

Trigonometric functions calculator

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

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Life

Calculator horsepower - power converter of kilowatts (kW)

Jak obliczyć konie mechaniczne?

Calculator calculates the stated amount of kilowatts to horsepower, taking into account effectiveness.

60741

Physical

Parallel connection of resistors

The calculator calculates the equivalent resistance of two resistors connected in parallel.

21187

Building

Single-layer wall insulation

Calculator allows you to calculate izolacyjość single-layer wall.

15235

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.

63756

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.