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List of free analog and digital electronic circuit simulators, available for Windows, macOS, Linux, and comparing against UC Berkeley SPICE. The following table is split into two groups based on whether it has a graphical visual interface or not.
Free software portal; Science portal; This category is for software used for studying, emulating, or displaying the result of scientific investigation and which is distributed as free software – under a free software licence, with the source code available.
The total acid number (TAN) is a measurement of acidity that is determined by the amount of potassium hydroxide in milligrams that is needed to neutralize the acids in one gram of oil. [1] It is an important quality measurement of crude oil. The TAN value indicates to the crude oil refinery the potential of corrosion problems.
Metric prefixes; Text Symbol Factor or; yotta Y 10 24: 1 000 000 000 000 000 000 000 000: zetta Z 10 21: 1 000 000 000 000 000 000 000: exa E 10 18: 1 000 000 000 000 000 000: peta P 10 15: 1 000 000 000 000 000: tera T
The HP-45 is the second scientific pocket calculator introduced by Hewlett-Packard, adding to the features of the HP-35.It was introduced in 1973 [1] with an MSRP of US$395 [2] (equivalent to $2,711 in 2023). [3]
Additional unit conversions include cm-in, litre-US gallon, kg-lb, Celsius-Fahrenheit, gram-ounce. There are 8 physical constants. Register count was increased to 3. New statistic modes include 2-variable statistics with linear regression. Other new features include cubic root, fraction mode display and conversion (pure/mixed).
MetaMorpheus is a proteomics search software developed at the University of Wisconsin-Madison with integrated calibration, post-translational modification discovery, bottom-up and top-down proteomics search, cross-linking mass spectrometry (XL-MS) search, proteogenomic search, and label-free quantification (LFQ) capabilities.
The factor–label method can convert only unit quantities for which the units are in a linear relationship intersecting at 0 (ratio scale in Stevens's typology). Most conversions fit this paradigm. An example for which it cannot be used is the conversion between the Celsius scale and the Kelvin scale (or the Fahrenheit scale). Between degrees ...