Calculates error of direct measurements for given measured value series and confidence interval.
This online calculator parses emails from block of text using regular expression
The calculator converts english phrase to the flag semaphore signal sequence.
This calculator computes n-th term and sum of geometric progression
This parser break GET request string to the parameter-value pairs and decodes URL-encoded sequences, if needed
This calculator uses Hill cipher to encrypt/decrypt a block of text
This calculator will help you estimate hip roof parameters, including rafters and roof area
This online calculator generates Huffman encoding for given frequency of occurrence of symbols.
Calculation of hyperbolic functions
Calculation of inverse hyperbolic functions of given argument
The calculation of the number of planks requiered
This online calculator finds the height above the bottom of a horizontal cylinder (such as a cylindrical gas tank) to which the it must be filled for it to be full at specified percentage (for example, one quarter full amounts)
Сalculates the level of the liquid in a tilted cylindrical tank with the tank parameters and the liquid volume.
This online calculator outputs logarithm of a number to a given base, as well as natural logarithm and common (decadic) logarithm
Simplifies math equation with single variable (x). In eqation you may also use integer and fractional numerical constants arithmetic operations, trigonometric and hyperbolic functions.
This online calculator supports simple mathematical operations, addition/subtraction/multiplication/division, on degrees
Mathematical calculator is used for evaluation math expressions with arithmetic operations (+-/*^) and functions: sqrt - square root, exp - exponential function, lb - binary logarithm, lg - decimal logarithm, ln - natural logarithm, sin - sine, cos - cosine, tan - tangent, cot - cotangent, sec - secant, csc - cosecant, arcsin - arcsine, arccos - arccosine, arctan - arctangent, arccot - arccotangent, arcsec - arcsecant, arccosec - arccosecant and others