Math

Roots of a quadratic equation

Calculator based on the entered coefficients calculated roots of a quadratic equation.

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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.

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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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Circumference of an ellipse

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

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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.

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Life

Battery life

Calculator based on the specified battery capacity and consumption estimates the time. Calculator does not take into account changes in CPU speed and action in the case of ACPI computers.

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Building

Calculator floor panels

Calculator based on the dimensions of the area to put the panels and occupancy data on number of panels in one package, calculate how much you have to buy packages of panels to cover the entire room.

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Math

Examine the variability of the quadratic function

Calculator examines the variability of the course of a quadratic function in the field of real numbers.