# Search results

##### Result by tag *Professional* 142 results

- Cuba World Development Indicators 2016 - in memory of Fidel Castro
This calculator provides access to 752 world development indicators for Cuba imported from World Bank data at 2016. In memory of Fidel Castro.

- Cylindrical tank volume
Cylindrical tank volume

- Derivative
It finds one variable function derivative. Step by step differentiation solution is also provided.

- Determining air humidity with psychrometric method
- Digital image size in pixels and photo print size
This article is about relation between image size in pixels and photographic print size. First, it recommends photographic print size for given digital image dimensions in pixels. Second, it finds resulting pixels per inch value for printed digital image with known linear and pixel dimensions.

- Direct observation error analisys
Calculates error of direct measurements for given measured value series and confidence interval.

- Display aspect ratio and dimensions
This online calculator finds screen dimensions - height, width and area, given the diagonal value and aspect ratio.

- Distance across the surface vs distance through the Earth
This calculator calculates distance across the surface of the Earth and distance through the Earth for given two points, then compares them.

- Distance calculator
Calculates distance between two geographic coordinates using haversine formula.

- Distance through the Earth
This calculator calculates the distance from one point on the Earth to another point, going through the Earth, instead of going across the surface.

- Double exponential smoothing
Description and example of the double exponential smoothing

- Earth Radius by Latitude (WGS 84)
This online calculator calculates Earth radius at given latitude using WGS 84 reference ellipsoid

- Email extractor
This online calculator parses emails from block of text using regular expression

- Exponential Moving Average
Exponential Moving Average calculation by candles

- Exponential smoothing
Exponential smoothing theory

- Flag semaphore signals
The calculator converts english phrase to the flag semaphore signal sequence.

- Geometric progression
This calculator computes n-th term and sum of geometric progression

- GET request string parser
This parser break GET request string to the parameter-value pairs and decodes URL-encoded sequences, if needed