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Ruangguru (a play of the phrase ruang guru, literally "teachers' office") was founded in April 2014 by Adamas Belva Syah Devara and Muhammad Iman Usman to aid students to find various tutors online. [4] [5] As of August of the same year, there were more than one thousand teachers registered. Ruangguru was also funded by East Ventures. [5]
This is an accepted version of this page This is the latest accepted revision, reviewed on 17 January 2025. Observation that in many real-life datasets, the leading digit is likely to be small For the unrelated adage, see Benford's law of controversy. The distribution of first digits, according to Benford's law. Each bar represents a digit, and the height of the bar is the percentage of ...
Many early texts mention Pythagorean triples and so, by inference, the Pythagorean theorem seems to be the most ancient and widespread mathematical concept after basic arithmetic and geometry. It is in Babylonian mathematics that elementary arithmetic ( addition , subtraction , multiplication , and division ) first appear in the archaeological ...
Mathematical models can take many forms, including dynamical systems, statistical models, differential equations, or game theoretic models.These and other types of models can overlap, with a given model involving a variety of abstract structures.
Academic grading; Africa; Egypt; Kenya; Morocco; Nigeria; South Africa; Tunisia; North America; Canada; Costa Rica; Mexico; Nicaragua; United States; South America ...
In mathematics, an operation is a function from a set to itself. For example, an operation on real numbers will take in real numbers and return a real number. An operation can take zero or more input values (also called "operands" or "arguments") to a well-defined output value.
A probability distribution is a function that assigns a probability to each measurable subset of the possible outcomes of a random experiment, survey, or procedure of statistical inference.
An attempt to observe children reading and writing visual texts was made by twenty US and Australian teachers in 1990–1994, and followed up in 2011. [6] The visual texts studied were limited to those used in information books, e-books, and websites, such as diagrams, maps, storyboards, flowcharts, time lines, webs, trees and tables.