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unstrict inequality signs (less-than or equals to sign and greater-than or equals to sign) 1670 (with the horizontal bar over the inequality sign, rather than below it) John Wallis: 1734 (with double horizontal bar below the inequality sign) Pierre Bouguer
Mathematical Operators is a Unicode block containing characters for mathematical, logical, and set notation.. Notably absent are the plus sign (+), greater than sign (>) and less than sign (<), due to them already appearing in the Basic Latin Unicode block, and the plus-or-minus sign (±), multiplication sign (×) and obelus (÷), due to them already appearing in the Latin-1 Supplement block ...
± (plus–minus sign) 1. Denotes either a plus sign or a minus sign. 2. Denotes the range of values that a measured quantity may have; for example, 10 ± 2 denotes an unknown value that lies between 8 and 12. ∓ (minus-plus sign) Used paired with ±, denotes the opposite sign; that is, + if ± is –, and – if ± is +.
female sign u+2642: ♂: male sign u+2660: ♠: black spade suit u+2661 ♡ white heart suit u+2662 ♢ white diamond suit u+2663: ♣: black club suit u+266d ♭ music flat sign u+266e ♮ music natural sign u+266f ♯ music sharp sign
The up tack or falsum (⊥, \bot in LaTeX, U+22A5 in Unicode [1]) is a constant symbol used to represent: . The truth value 'false', or a logical constant denoting a proposition in logic that is always false (often called "falsum" or "absurdum").
The triple bar character in Unicode is code point U+2261 ≡ IDENTICAL TO (≡, ≡). [1] The closely related code point U+2262 ≢ NOT IDENTICAL TO (≢, ≢) is the same symbol with a slash through it, indicating the negation of its mathematical meaning.
COEFFICIENTS FOR RK4(5), FORMULA 2 Table III in Fehlberg [2]; K A(K) B(K,L) C(K) CH(K) CT(K) L=1 L=2 L=3 L=4 L=5 1 0 25/216 16/135 -1/360 2 1/4 1/4
Print/export Download as PDF; ... Number sign, Hash, Octothorpe, Sharp: 0004 U+0024 $ 36 044 ... Math: U+00F7 ÷ 247 0303 0267 ÷