47677
Physical
Coreless coil inductance
The calculator calculates the inductance of the coil without core on the basis of the given coil length, diameter and number of turns.
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64359
Physical
Calculator resistance resistor ( bars)
Calculator gives the resistance of the resistor based on the introduced color bars.
61530
Physical
Parallel connection of resistors
The calculator calculates the equivalent resistance of two resistors connected in parallel.
53914
Physical
Associated force of the hydraulic piston and the cylinder
Hydraulic cylinder is a mechanical akutatorem used for power transmission line by a linear thrust. Through the movement of the piston up and down over the forces and pressure. This calculator is used to calculate the two forces given angle for each operation.
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15589
Math
Number of tetrahedral
Tetrahedral numbers are the natural numbers, for which it is possible to construct a tetrahedron formnego of bullets. They are a special case of the pyramidal numbers.
28611
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Calculate how many words and characters in the text
The calculator is designed to count the amount of words and letters in the text
26446
Math
Sieve of Eratosthenes
The program generates the prime numbers in a given range using the sieve of Eratosthenes algorithm.
28467
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.
28398
Math
Number cheerful
Checks the calculator is a large number of so-called gay (Happy Number). Number gay is a natural number is defined as follows: Calculate the sum of squares of digits of the number. Repeat this process for the next results as long as we get the number 1 or the results will be repeated. If you have received as a result of one, the original number is the number of gay. Otherwise, a number bleak.