Search results
Results from the WOW.Com Content Network
is true only if both A and B are false, or both A and B are true. Whether a symbol means a material biconditional or a logical equivalence , depends on the author’s style. x + 5 = y + 2 ⇔ x + 3 = y {\displaystyle x+5=y+2\Leftrightarrow x+3=y}
(exp x is also written as e x.) expi – cos + i sin function. (Also written as cis.) expm1 – exponential minus 1 function. (Also written as exp1m.) exp1m – exponential minus 1 function. (Also written as expm1.) Ext – Ext functor. ext – exterior. extr – a set of extreme points of a set.
The Chisanbop system. When a finger is touching the table, it contributes its corresponding number to a total. Chisanbop or chisenbop (from Korean chi (ji) finger + sanpŏp (sanbeop) calculation [1] 지산법/指算法), sometimes called Fingermath, [2] is a finger counting method used to perform basic mathematical operations.
The Egyptian word 'seked' is thus related [in meaning, not origin] to our modern word 'gradient'. [2] Many of the smaller pyramids in Egypt have varying slopes; however, like the Great Pyramid of Giza, the pyramid at Meidum is thought to have had sides that sloped by [8] 51.842° or 51° 50' 35", which is a seked of 5 + 1 / 2 palms.
It is contested that the usage of Latin x in maths is derived from the first letter ش šīn (without its dots) of the Arabic word شيء šayʾ(un), meaning thing. [2] (X was used in old Spanish for the sound /ʃ/). However, according to others there is no historical evidence for this. [3] [4] ص: From the Arabic letter ص ṣād
Main page; Contents; Current events; Random article; About Wikipedia; Contact us; Pages for logged out editors learn more
When asked by a Twitter user, Musk revealed that both mother and child were doing well and they had chosen to name their son X Æ A-12. The choice baffled the internet as many questioned what the ...
In mathematics, brackets of various typographical forms, such as parentheses ( ), square brackets [ ], braces { } and angle brackets , are frequently used in mathematical notation. Generally, such bracketing denotes some form of grouping: in evaluating an expression containing a bracketed sub-expression, the operators in the sub-expression take ...