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Math
Field parabola
The calculator calculates the surface area of the parabola with the given base width and length of the perpendicular [see calculator squareness]. The result is given as the user input unit square.
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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.
132334
Math
Trigonometric functions calculator
Calculator by entering an angle in degrees or radians calculated values of the basic trigonometric functions.
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Verifiers
Verification of the ISSN
Calculator allows you to verify the number entered ISSN (International Standard Serial Number serial publication). FAQ: How ISSN number?
1673544
Life
Rainwater tank
The calculator calculates the amount of collected rainwater from the roof of the given dimensions.
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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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Physical
Parallel connection of resistors
The calculator calculates the equivalent resistance of two resistors connected in parallel.