গাণিতিক প্রতীকের তালিকা-এর উৎস দেখুন

{{বাংলা নয়|1=ইংরেজি|date=ডিসেম্বর ২০১৬}}
{{উৎসহীন|date=মার্চ ২০১০}}
[[চিত্র:UCB Miscellaneous Mathematical Symbols-A.png|থাম্ব]]

== মূল চিহ্নসমূহের তালিকা ==

{| class="wikitable" 
|- bgcolor=#a0e0a0
! rowspan="3" align=center|<div style="font-
size:200%;">চিহ্ন</div>
! <div style="float:left;">নাম</div>
! rowspan="3" |ব্যাখ্যা
! rowspan="3" |উদাহরণ
|- bgcolor=#a0e0a0
!align=center|যেভাবে পড়তে হবে
|- bgcolor=#a0e0a0
! <div style="float:right;">বিষয়শ্রেণী</div>
|-
| rowspan=3 bgcolor=#d0f0d0 align=center|<div style="font-size:200%;">=</div> 
||[[সমতা (গণিত)|সমতা]]
| rowspan=3|''x''&nbsp;= ''y'' অর্থ ''x'' ও ''y'' একই জিনিস অথবা সমান
| rowspan=3|1&nbsp;+ 2&nbsp;= 3
|-
|align=center|সমান সমান; সমান
|-
|align=right|সর্বক্ষেত্রে
|-
| rowspan=3 bgcolor=#d0f0d0 align=center|<div style="font-size:200%;">≠<br /><br /><><br /><br />!=</div> 
||[[অসমতা]]
| rowspan=3| ''x'' ≠ ''y'' অর্থ ''x'' এবং ''y'' একই জিনিস নয় অথবা তাদের মান সমান নয়
| rowspan=3|1 ≠ 2
|-
|align=center|অসমান
|-
|align=right valign=center|সর্বক্ষেত্রে
|-
| rowspan=3 bgcolor=#d0f0d0 align=center|<div style="font-size:200%;"><<br /><br />><br /><br />≪<br /><br />≫</div> 
||[[অসমতা]]
| rowspan=3|''x''&nbsp;< ''y'' অর্থ ''x,'' ''y'' থেকে ক্ষুদ্রতর<br /><br />''x''&nbsp;> ''y'' অর্থ ''x'', ''y'' থেকে বৃহত্তর<br /><br />''x''&nbsp;≪ ''y'' অর্থ ''x,'' ''y'' থেকে অনেক ক্ষুদ্রতর<br /><br />''x''&nbsp;≫ ''y'' অর্থ ''x'', ''y'' থেকে অনেক বৃহত্তর
| rowspan=3|৩&nbsp;< ৪ 
<br />৫&nbsp;> ৩<br /> 

০.০০৭&nbsp;≪ ১০০০০০০০


১০০০০০০ ≫ ০.০০১
|-
|align=center|ক্ষুদ্রতর, বৃহত্তর, অনেক ছোট, অনেক বড়
|-
|align=right|[[order theory]]
|-
| rowspan=3 bgcolor=#d0f0d0 align=center|<div style="font-size:200%;">≤<br /><br />≥</div> 
||[[অসমতা]]
| rowspan=3|''x''&nbsp;≤ ''y'' অর্থ ''x'', ''y''-এর চেয়ে ছোট বা সমান <br /><br />''x''&nbsp;≥ ''y'' অর্থ ''x'', ''y''-এর চেয়ে বড় বা সমান
| rowspan=3|৩&nbsp;≤&nbsp;৪ এবং ৫&nbsp;≤&nbsp;৫
<br /> ৫&nbsp;≥&nbsp;৪ এবং ৫&nbsp;≥&nbsp;৫
|-
|align=center|ক্ষুদ্রতর অথবা সমান, বৃহত্তর অথবা সমান
|-
|align=right|[[order theory]]
|-
| rowspan=3 bgcolor=#d0f0d0 align=center|<div style="font-size:200%;">∝</div> 
||[[সমানুপাত]]
| rowspan=3| ''y'' ∝ ''x'' অর্থ ''y'' = ''kx'', কোনো ধ্রুবক ''k''-এর জন্য
| rowspan=3|যদি ''y'' = 2''x'', তাহলে  ''y'' ∝ ''x''
|-
|align=center|সমানুপাতিক
|-
|align=right valign=center|সর্বক্ষেত্রে
|-
| rowspan=6 bgcolor=#d0f0d0 align=center|<div style="font-size:200%;">+</div>
|[[যোগ]]
| rowspan=3|৪ + ৬ অর্থ ৪ ও ৬-এর যোগফল 
| rowspan=3|২ + ৭ = ৯
|-
|align=center|যোগ
|-
|align=right|[[গণিত]]
|-
|[[disjoint union]]
| rowspan=3|''A''<sub>1</sub> + ''A''<sub>2</sub> অর্থ the disjoint union of sets ''A''<sub>1</sub> and ''A''<sub>2</sub>.
| rowspan=3|''A''<sub>1</sub> = {1, 2, 3, 4} ∧ ''A''<sub>2</sub> = {2, 4, 5, 7} ⇒<br /> ''A''<sub>1</sub> + ''A''<sub>2</sub> = {(1,1), (2,1), (3,1), (4,1), (2,2), (4,2), (5,2), (7,2)}
|-
|align=center|the disjoint union of ... and ...
|-
|align=right|[[naive set theory|সেট থিয়োরী]]
|-
| rowspan=9 bgcolor=#d0f0d0 align=center|<div style="font-size:200%;">−</div>
|[[বিয়োজন]]
| rowspan=3|9 − 4 অর্থ ৯ থেকে ৪ বিয়োগ হবে
| rowspan=3|8 − 3 = 5
|-
|align=center|বিয়োগ
|-
|align=right|[[পাটিগণিত]]
|-
|[[negative and non-negative numbers|ঋণাত্মক চিহ্ন]]
| rowspan=3|−3 অর্থ the negative of the number 3.
| rowspan=3|−(−5) = 5
|-
|align=center|negative ; minus
|-
|align=right|[[পাটিগণিত]]
|-
|[[complement (set theory)|set-theoretic complement]]
| rowspan=3|''A''&nbsp;−&nbsp;''B'' অর্থ the set that contains all the elements of ''A'' that are not in ''B''.
| rowspan=3|{1,2,4}&nbsp;−&nbsp;{1,3,4}&nbsp;&nbsp;=&nbsp; {2}
|-
|align=center|বাদ
|-
|align=right|[[naive set theory|সেট থিয়োরী]]
|-
| rowspan=9 bgcolor=#d0f0d0 align=center|<div style="font-size:200%;">×</div> 
|গুণ
| rowspan=3|৩ × ৪ অর্থ ৩ এর সাথে ৪ এর গুণ
| rowspan=3|৩ × ৪ = ১২
|-
|align=center|সাথে গুণ
|-
|align=right|[[পাটিগণিত]]
|-
|কার্টেসিয়ান গুণ
| rowspan=3|''X''×''Y'' অর্থ the set of all [[ordered pairs]] with the first element of each pair selected from X and the second element selected from Y.
| rowspan=3|{1,2} × {3,4} = {(1,3),(1,4),(2,3),(2,4)}
|-
|align=center|the Cartesian product of ... and ...; the direct product of ... and ...
|-
|align=right|[[naive set theory|সেট থিয়োরী]]
|-
|[[cross product]]
| rowspan=3|'''u''' × '''v''' অর্থ the cross product of [[vector (spatial)|vectors]] '''u''' and '''v'''
| rowspan=3|(1,2,5) × (3,4,−1) = <br />(−22, 16, − 2)
|-
|align=center|cross
|-
|align=right|[[vector algebra]]
|-
| rowspan=3 bgcolor=#d0f0d0 align=center|<div style="font-size:200%;">÷<br /><br />/</div> 
||ভাগ
| rowspan=3|৬÷৩ বা ৬/৩ অর্থ ৬ কে ৩ দ্বারা ভাগ
| rowspan=3|2 ÷ 4 = .5<br /> <br />12/4 = 3
|-
|align=center|দ্বারা ভাগ
|-
|align=right|[[পাটিগণি
ৃ।ত]]
|-
| rowspan=6 bgcolor=#d0f0d0 align=center|<div style="font-size:200%;">√</div> 
||[[বর্গমূল]]
| rowspan=3|√''x'' অর্থ the positive number whose square is ''x''.
| rowspan=3|√4&nbsp;= 2
|-
|align=center|প্রধান বর্গমূল
|-
|align=right|বাস্তব সংখ্যা
|-
||[[square root#Square roots of complex numbers|complex square root]]
| rowspan=3| if ''z'' = ''r'' exp(''i''φ) is represented in polar coordinates with -π < φ ≤ π, then √''z'' = √''r'' exp(''i''φ/2).
| rowspan=3|√(-1)&nbsp;= i
|-
|align=center|the complex square root of; বর্গমূল
|-
|align=right|অবাস্তব সংখ্যা
|-
| rowspan=3 bgcolor=#d0f0d0 align=center|<div style="font-size:200%;">|&nbsp;|</div> 
||পরমমান
| rowspan=3| |''x''| অর্থ the distance in the [[real line]] (or the [[complex plane]]) between ''x'' and [[0 (number)|zero]].
| rowspan=3| |3| = 3, |-5| = |5| <br /> |''i''| = 1, |3+4''i''| = 5
|-
|align=center|পরমমান
|-
|align=right|সংখ্যা
|-
| rowspan=3 bgcolor=#d0f0d0 align=center|<div style="font-size:200%;">!</div> 
||[[factorial]]
| rowspan=3|''n''! is the product 1 × 2× ... × ''n''.
| rowspan=3|4! = 1 × 2 × 3 × 4 = 24
|-
|align=center|উৎপাদকীয়
|-
|align=right|বিন্যাস ও সমাবেশ
|-
| rowspan=3 bgcolor=#d0f0d0 align=center|<div style="font-size:200%;">~</div> 
||[[probability distribution]]
| rowspan=3| ''X ~ D'', অর্থ the [[random variable]] ''X'' চলরাশির প্রোব্যাবিলিটি ডিস্ট্রিবিউশান ''D''.
| rowspan=3|''X ~ N(0,1), the [[standard normal distribution]]
|-
|align=center|has distribution
|-
|align=right|সংখ্যাতত্ত্ব
|-
| rowspan=3 bgcolor=#d0f0d0 align=center|<div style="font-size:200%;">⇒<br /><br />→<br /><br />⊃</div>
||[[material implication]]
| rowspan=3|''A'' ⇒ ''B'' অর্থ যদি ''A'' বাস্তব হয় তবে ''B''-ও বাস্তব; কিন্তু যদি ''A'' অবাস্তব হয় এর ভিত্তিতে ''B'' সম্পর্কে অনুসিদ্ধান্ত করা যাবে না <br /><br />→ may mean the same as ⇒, or it may have the meaning for [[function (mathematics)|functions]] given below.<br /><br />⊃ may mean the same as ⇒, or it may have the meaning for [[superset]] given below.
| rowspan=3|''x'' = 2&nbsp;&nbsp;⇒&nbsp; ''x''<sup>2</sup> = 4 is true, but ''x''<sup>2</sup> = 4 &nbsp;&nbsp;⇒&nbsp; ''x'' = 2 is in general false (since ''x'' could be −2).
|-
|align=center|implies; যদি ... তবে
|-
|align=right|[[propositional logic]]
|-
| rowspan=3 bgcolor=#d0f0d0 align=center|<div style="font-size:200%;">⇔<br /><br />↔</div> 
||[[material equivalence]]
| rowspan=3|''A''&nbsp;⇔ ''B'' অর্থ ''A'' is true if ''B'' is true and ''A'' is false if ''B'' is false.
| rowspan=3|''x''&nbsp;+ 5&nbsp;= ''y''&nbsp;+2&nbsp;&nbsp;⇔&nbsp; ''x''&nbsp;+ 3&nbsp;= ''y''
|-
|align=center|যদি এবং কেবল যদি
|-
|align=right|[[propositional logic]]
|-
| rowspan=3 bgcolor=#d0f0d0 align=center|<div style="font-size:200%;">¬<br /><br />˜</div> 
||[[logical negation]]
| rowspan=3|The statement ¬''A'' is true if and only if ''A'' is false.<br /><br />A slash placed through another operator is the same as "¬" placed in front.
| rowspan=3|¬(¬''A'')&nbsp;⇔ ''A'' <br /> ''x''&nbsp;≠&nbsp;''y''&nbsp;&nbsp;⇔&nbsp; ¬(''x''&nbsp;=&nbsp; ''y'')
|-
|align=center|not
|-
|align=right|[[propositional logic]]
|-
| rowspan=3 bgcolor=#d0f0d0 align=center|<div style="font-size:200%;">∧</div> 
||[[logical conjunction]] or '''meet''' in a [[lattice (order)|lattice]]
| rowspan=3|The statement ''A'' ∧ ''B'' is true if ''A'' and ''B'' are both true; else it is false.
| rowspan=3|''n''&nbsp;< 4&nbsp;&nbsp;∧&nbsp; ''n''&nbsp;>2&nbsp;&nbsp;⇔&nbsp; ''n''&nbsp;= 3 when ''n'' is a [[natural number]].
|-
|align=center|এবং
|-
|align=right|[[propositional logic]], [[lattice (order)|lattice theory]]
|-
| rowspan=3 bgcolor=#d0f0d0 align=center|<div style="font-size:200%;">∨</div> 
||[[logical disjunction]] or '''join''' in a [[lattice (order)|lattice]]
| rowspan=3|The statement ''A'' ∨ ''B'' is true if ''A'' or ''B'' (or both) are true; if both are false, the statement is false.
| rowspan=3|''n''&nbsp;≥ 4&nbsp;&nbsp;∨&nbsp; ''n''&nbsp;≤ 2&nbsp;&nbsp;⇔ ''n''&nbsp;≠ 3 when ''n'' is a [[natural number]].
|-
|align=center|অথবা
|-
|align=right|[[propositional logic]], [[lattice (order)|lattice theory]]
|-
| rowspan=3 bgcolor=#d0f0d0 align=center|<br /><div style="font-size:200%;">⊕</div> <br /><br /><div style="font-size:200%;">⊻</div> ||[[exclusive or]] 
| rowspan=3| The statement ''A'' ⊕ ''B'' is true when either A or B, but not both, are true. ''A'' ⊻ ''B'' অর্থ the same.
| rowspan=3| (¬''A'') ⊕ ''A'' is always true, ''A'' ⊕ ''A'' is always false.
|-
|align=center|xor
|-
|align=right|[[propositional logic]], [[বুলিয়ান বীজগণিত]]
|-
| rowspan=3 bgcolor=#d0f0d0 align=center|<div style="font-size:200%;">∀</div> 
||[[universal quantification]]
| rowspan=3|∀&nbsp;''x'': ''P''(''x'') অর্থ ''P''(''x'') is true for all ''x''.
| rowspan=3|∀&nbsp;''n''&nbsp;∈ '''N''': ''n''<sup>2</sup>&nbsp;≥ ''n''.
|-
|align=center|for all; for any; for each
|-
|align=right|[[predicate logic]]
|-
| rowspan=3  bgcolor=#d0f0d0 align=center|<div style="font-size:200%;">∃</div> 
||[[existential quantification]]
| rowspan=3|∃&nbsp;''x'': ''P''(''x'') অর্থ there is at least one ''x'' such that ''P''(''x'') is true.
| rowspan=3|∃&nbsp;''n''&nbsp;∈ '''N''': ''n'' is even.
|-
|align=center|there exists
|-
|align=right|[[predicate logic]]
|-
| rowspan=3  bgcolor=#d0f0d0 align=center|<div style="font-size:200%;">∃!</div> 
||[[uniqueness quantification]]
| rowspan=3|∃!&nbsp;''x'': ''P''(''x'') অর্থ there is exactly one ''x'' such that ''P''(''x'') is true.
| rowspan=3|∃!&nbsp;''n''&nbsp;∈ '''N''': ''n''&nbsp;+ 5&nbsp;= 2''n''.
|-
|align=center|there exists exactly one
|-
|align=right|[[predicate logic]]
|-
| rowspan=3 bgcolor=#d0f0d0 align=center|<div style="font-size:200%;">:=<br /><br />≡<br /><br />:⇔</div> 
||[[definition]]
| rowspan=3|''x''&nbsp;:= ''y'' or ''x''&nbsp;≡ ''y'' অর্থ ''x'' is defined to be another name for ''y'' (but note that ≡ can also mean other things, such as [[congruence]]).<br /><br />''P''&nbsp;:⇔ ''Q'' অর্থ ''P'' is defined to be logically equivalent to ''Q''.
| rowspan=3|cosh&nbsp;''x''&nbsp;:= (1/2)(exp&nbsp;''x''&nbsp;+  exp&nbsp;(−''x''))<br /><br />''A''&nbsp;XOR&nbsp;''B'' :⇔ (''A''&nbsp;∨&nbsp;''B'')&nbsp;∧&nbsp;¬(''A''&nbsp;∧&nbsp;''B'')
|-
|align=center|is defined as
|-
|align=right|সবক্ষেত্রে
|-
| rowspan=3 bgcolor=#d0f0d0 align=center|<div style="font-size:200%;">{ , }</div> 
||[[set]] brackets
| rowspan=3|{''a'',''b'',''c''} অর্থ the set consisting of ''a'', ''b'' এবং ''c এর সেট।''
| rowspan=3|'''N'''&nbsp;= {0, 1, 2, ...}
|-
|align=center|''এর সেট''
|-
|align=right|[[naive set theory|সেট থিয়োরী]]
|-
| rowspan=3 bgcolor=#d0f0d0 align=center|<div style="font-size:200%;">{ : }<br /><br />{ | }</div> 
||[[set builder notation]]
| rowspan=3|{''x''&nbsp;: ''P''(''x'')} অর্থ the set of all ''x'' for which ''P''(''x'') is true. {''x''&nbsp;| ''P''(''x'')} is the same as {''x''&nbsp;: ''P''(''x'')}.
| rowspan=3|{''n''&nbsp;∈ '''N'''&nbsp;: ''n''<sup>2</sup>&nbsp;<&nbsp;20}&nbsp;= {0, 1, 2, 3, 4}
|-
|align=center|the set of ... such that ...
|-
|align=right|[[naive set theory|সেট থিয়োরী]]
|-
| rowspan=3 bgcolor=#d0f0d0 align=center|<br /><div style="font-size:200%;">{{0/}}<br /><br />{}</div> ||ফাঁকা সেট
| rowspan=3|{{0/}} অর্থ the set with no elements. {} অর্থ the same.
| rowspan=3|{''n''&nbsp;∈ '''N'''&nbsp;: 1&nbsp;< ''n''<sup>2</sup>&nbsp;< 4}&nbsp;= {{0/}}
|-
|align=center| ফাঁকা সেট
|-
|align=right|[[naive set theory|সেট থিয়োরী]]
|-
| rowspan=3 bgcolor=#d0f0d0 align=center|<div style="font-size:200%;">∈<br /><br />{{notin}}</div> 
||সেটের উপাদান
| rowspan=3|''a''&nbsp;∈ ''S'' অর্থ ''a'' is an element of the set ''S''; ''a''&nbsp;{{notin}} ''S'' অর্থ ''a'' is not an element of ''S''.
| rowspan=3|(1/2)<sup>−1</sup>&nbsp;∈ '''N'''<br /><br />2<sup>−1</sup>&nbsp;{{notin}} '''N'''
|-
|align=center|সেটের উপাদান;
সেটের উপাদান নয়
|-
|align=right|সর্বক্ষেত্রে, [[naive set theory|সেট থিয়োরী]]
|-
| rowspan=3 bgcolor=#d0f0d0 align=center|<div style="font-size:200%;">⊆<br /><br />⊂</div> 
||[[উপসেট]]
| rowspan=3|(subset) ''A''&nbsp;⊆ ''B'' অর্থ every element of ''A'' is also element of ''B''.<br /><br /> (proper subset) ''A''&nbsp;⊂ ''B'' অর্থ ''A''&nbsp;⊆ ''B'' but ''A''&nbsp;≠ ''B''.
| rowspan=3|''A''&nbsp;∩ ''B'' ⊆ ''A''; '''Q'''&nbsp;⊂ '''R'''
|-
|align=center|সেটের উপসেট
|-
|align=right|[[naive set theory|সেট থিয়োরী]]
|-
| rowspan=3 bgcolor=#d0f0d0 align=center|<div style="font-size:200%;">⊇<br /><br />⊃</div> 
||[[উপসেট|অধিসেট]]
| rowspan=3|''A''&nbsp;⊇ ''B'' অর্থ every element of ''B'' is also element of ''A''.<br /><br />''A''&nbsp;⊃ ''B'' অর্থ ''A''&nbsp;⊇ ''B'' but ''A''&nbsp;≠ ''B''.
| rowspan=3|''A''&nbsp;∪ ''B'' ⊇ ''B''; '''R'''&nbsp;⊃ '''Q'''
|-
|align=center|সেটের অধিসেট
|-
|align=right|[[naive set theory|সেট থিয়োরী]]
|-
| rowspan=3 bgcolor=#d0f0d0 align=center|<div style="font-size:200%;">∪</div> 
||[[union (set theory)|set-theoretic union]]
| rowspan=3|(exclusive) ''A''&nbsp;∪ ''B'' অর্থ the set that contains all the elements from ''A'', or all the elements from ''B'', but not both.<br />"''A'' or ''B'', but not both". <br /><br /> (inclusive) ''A''&nbsp;∪ ''B'' অর্থ the set that contains all the elements from ''A'', or all the elements from ''B'', or all the elements from both ''A'' and ''B''.<br />"''A'' or ''B'' or both".
| rowspan=3|''A''&nbsp;⊆ ''B''&nbsp;&nbsp;⇔&nbsp; ''A''&nbsp;∪ ''B''&nbsp;= ''B'' (inclusive)
|-
|align=center|the union of ... and ...; union
|-
|align=right|[[naive set theory|সেট থিয়োরী]]
|-
| rowspan=3 bgcolor=#d0f0d0 align=center|<div style="font-size:200%;">∩</div> 
||[[intersection (set theory)|set-theoretic intersection]]
| rowspan=3|''A''&nbsp;∩ ''B'' অর্থ the set that contains all  those elements that ''A'' and ''B'' have in common.
| rowspan=3|{''x''&nbsp;∈ '''R'''&nbsp;: ''x''<sup>2</sup>&nbsp;= 1}&nbsp;∩ '''N'''&nbsp;= {1}
|-
|align=center|intersected with; intersect
|-
|align=right|[[naive set theory|সেট থিয়োরী]]
|-
| rowspan=3 bgcolor=#d0f0d0 align=center|<div style="font-size:200%;">\</div> 
||[[complement (set theory)|set-theoretic complement]]
| rowspan=3|''A''&nbsp;\ ''B'' অর্থ the set that contains all those elements of ''A'' that are not in ''B''.
| rowspan=3|{1,2,3,4} \ {3,4,5,6} = {1,2}
|-
|align=center|বাদ
|-
|align=right|[[naive set theory|সেট থিয়োরী]]
|-
| rowspan=6 bgcolor=#d0f0d0 align=center|<div style="font-size:200%;">( )</div> 
||[[function (mathematics)|function]] application
| rowspan=3|''f''(''x'') অর্থ the value of the function ''f'' at the element ''x''.
| rowspan=3|If ''f''(''x'')&nbsp;:= ''x''<sup>2</sup>, then ''f''(3)&nbsp;= 3<sup>2</sup>&nbsp;= 9.
|-
|align=center|of
|-
|align=right|[[naive set theory|সেট থিয়োরী]]
|-
|precedence grouping
| rowspan=3|Perform the operations inside the parentheses first.
| rowspan=3|(8/4)/2&nbsp;= 2/2&nbsp;= 1, but 8/(4/2)&nbsp;= 8/2&nbsp;= 4.
|-
|align=center|parentheses
|-
|align=right|সবক্ষেত্রে
|-
| rowspan=3 bgcolor=#d0f0d0 align=center|<div style="font-size:200%;">''f'':''X''→''Y''</div> 
||[[function (mathematics)|function]] arrow
| rowspan=3|''f'':&nbsp;''X''&nbsp;→ ''Y'' অর্থ the function ''f'' maps the set ''X'' into the set ''Y''.
| rowspan=3|Let ''f'':&nbsp;'''Z'''&nbsp;→ '''N''' be defined by ''f''(''x'')&nbsp;:= ''x''<sup>2</sup>.
|-
|align=center|from ... to
|-
|align=right|[[naive set theory|সেট থিয়োরী]]
|-
| rowspan=3 bgcolor=#d0f0d0 align=center|<div style="font-size:200%;"><small>o</small></div> 
||[[function composition]]
| rowspan=3|''f''<small>o</small>''g'' is the function, such that (''f''<small>o</small>''g'')(''x'') = ''f''(''g''(''x'')).
| rowspan=3|if ''f''(''x'') := 2''x'', and ''g''(''x'') := ''x'' + 3, then  (''f''<small>o</small>''g'')(''x'') = 2(''x'' + 3).
|-
|align=center|composed with
|-
|align=right|[[naive set theory|সেট থিয়োরী]]
|-
| rowspan=3 bgcolor=#d0f0d0 align=center|<br /><div style="font-size:200%;">N</div> <br /><div style="font-size:200%;">ℕ</div> 
||[[স্বাভাবিক সংখ্যা]]
| rowspan=3|'''N''' অর্থ {0, 1, 2, 3, ...}, but see the article on natural numbers for a different convention.
| rowspan=3|<nowiki>{|</nowiki>''a''|&nbsp;: ''a''&nbsp;∈ '''Z'''}&nbsp;= '''N'''
|-
|align=center|N
|-
|align=right|সংখ্যা
|-
| rowspan=3 bgcolor=#d0f0d0 align=center|<br /><div style="font-size:200%;">Z</div><br /> <div style="font-size:200%;">ℤ</div> ||[[পূর্ণ সংখ্যা]]
| rowspan=3|'''Z''' অর্থ {..., −3, −2, −1, 0, 1, 2, 3, ...}.
| rowspan=3|{''a'',&nbsp;-''a''&nbsp;: ''a''&nbsp;∈ '''N'''}&nbsp;= '''Z'''
|-
|align=center|Z
|-
|align=right|সংখ্যা
|-
| rowspan=3 bgcolor=#d0f0d0 align=center|<br /><div style="font-size:200%;">Q</div><br /> <div style="font-size:200%;">ℚ</div> ||[[মূলদ সংখ্যা]]
| rowspan=3|'''Q''' অর্থ {''p''/''q''&nbsp;: ''p'',''q''&nbsp;∈&nbsp;'''Z''', ''q''&nbsp;≠&nbsp;0}.
| rowspan=3|3.14&nbsp;∈ '''Q'''<br /><br />π&nbsp;∉ '''Q'''
|-
|align=center|Q
|-
|align=right|সংখ্যা
|-
| rowspan=3 bgcolor=#d0f0d0 align=center|<br /><div style="font-size:200%;">R</div><br /> <div style="font-size:200%;">ℝ</div> ||[[বাস্তব সংখ্যা]]
| rowspan=3|'''R''' অর্থ the set of real numbers.
<!-- Old definition: {lim<sub>n→∞</sub> ''a''<sub>''n''</sub> : ∀ ''n'' ∈ '''N''': ''a''<sub>''n''</sub> ∈ '''Q''', the limit exists}. -->
| rowspan=3|π&nbsp;∈ '''R'''<br /><br />√(−1)&nbsp;∉&nbsp;'''R'''
|-
|align=center|R
|-
|align=right|সংখ্যা
|-
| rowspan=6 bgcolor=#d0f0d0 align=center|<br /><div style="font-size:200%;">C</div><br /> <div style="font-size:200%;">ℂ</div> ||[[অবাস্তব সংখ্যা]]
| rowspan=3|'''C''' অর্থ {''a''&nbsp;+&nbsp;''bi''&nbsp;: ''a'',''b''&nbsp;∈&nbsp;'''R'''}.
| rowspan=3|''i''&nbsp;= √(−1)&nbsp;∈ '''C'''
|-
|align=center|C
|-
|align=right|সংখ্যা
|-
||arbitrary [[constant]]
| rowspan=3| '''C''' can be any number, most likely unknown; usually occurs when calculating [[antiderivative]]s.
| rowspan=3|if ''f(x)'' = 6''x''² + 4''x'', then ''F(x)'' = 2''x''³ + 2''x''² + '''C''' 
|-
|align=center|C
|-
|align=right|[[integral calculus]]
|-
| rowspan=3 bgcolor=#d0f0d0 align=center|<div style="font-size:200%;">∞</div> 
||অসীম
| rowspan=3|∞ is an element of the [[extended real number line|extended number line]] that is greater than all real numbers; it often occurs in [[limit (mathematics)|limits]].
| rowspan=3|lim<sub>x→0</sub>&nbsp;1/|''x''|&nbsp;= ∞
|-
|align=center|অসীম
|-
|align=right|সংখ্যা
|-
| rowspan=3 bgcolor=#d0f0d0 align=center|<div style="font-size:200%;"><math>\pi</math></div>||পাই
| rowspan=3|π একটি বৃত্তের পরিধি ও এর ব্যাস-এর অনুপাত। এর মান ৩.১৪১৫ঁ
| rowspan=3|''A''&nbsp;= π''r''² is the area of a circle with radius ''r''
|-
|align=center|পাই
|-
|align=right|[[ইউক্লিডিয় জ্যামিতি]]
|-
| rowspan=3 bgcolor=#d0f0d0 align=center|<div style="font-size:200%;"><nowiki>||</nowiki>&nbsp;<nowiki>||</nowiki></div> 
||[[normed vector space|norm]]
| rowspan=3| <nowiki>||</nowiki>''x''<nowiki>||</nowiki> is the [[norm (mathematics)|norm]] of the element ''x'' of a [[normed vector space]].
| rowspan=3| <nowiki>||</nowiki>''x''+''y''<nowiki>||</nowiki> ≤ <nowiki>||</nowiki>''x''<nowiki>||</nowiki> +  <nowiki>||</nowiki>''y''<nowiki>||</nowiki>
|-
|align=center|norm of; length of
|-
|align=right| [[রৈখিক বীজগণিত]]
|-
| rowspan=3 bgcolor=#d0f0d0 align=center|<div style="font-size:200%;">∑</div> 
||[[সমষ্টিকরণ]]
| rowspan=3|
<math>\sum_{k=1}^{n}{a_k}</math> অর্থ ''a''<sub>1</sub>&nbsp;+ ''a''<sub>2</sub>&nbsp;+ ...&nbsp;+ ''a''<sub>''n''</sub>.
| rowspan=3|
<math>\sum_{k=1}^{4}{k^2}</math> = 1<sup>2</sup>&nbsp;+ 2<sup>2</sup>&nbsp;+ 3<sup>2</sup>&nbsp;+ 4<sup>2</sup>&nbsp;<br />
::= 1&nbsp;+ 4&nbsp;+ 9&nbsp;+ 16&nbsp;= 30
|-
|align=center|sum over ... from ... to ... of
|-
|align=right|[[পাটিগণিত]]
|-
| rowspan=6 bgcolor=#d0f0d0 align=center|<div style="font-size:200%;">∏</div> 
||[[multiplication|গুণফল]]
| rowspan=3|
<math>\prod_{k=1}^na_k</math> অর্থ ''a''<sub>1</sub>''a''<sub>2</sub>•••''a''<sub>''n''</sub>.
| rowspan=3|
<math>\prod_{k=1}^4(k+2)</math> = (1+2)(2+2)(3+2)(4+2) 
::= 3&nbsp;× 4&nbsp;×  5&nbsp;× 6&nbsp;= 360
|-
|align=center|product over ... from ... to ... of
|-
|align=right|[[পাটিগণিত]]
|-
||[[Cartesian product]]
| rowspan=3|
<math>\prod_{i=0}^{n}{Y_i}</math> অর্থ the set of all [[n-tuple|(n+1)-tuples]]
::(''y''<sub>0</sub>,...,''y''<sub>''n''</sub>).
| rowspan=3|
<math>\prod_{n=1}^{3}{\mathbb{R}} = \mathbb{R}\times\mathbb{R}\times\mathbb{R} = \mathbb{R}^3</math>
|-
|align=center|the Cartesian product of; the direct product of
|-
|align=right|[[naive set theory|সেট তত্ত্ব]]
|-
| rowspan=3 bgcolor=#d0f0d0 align=center|<div style="font-size:200%;">'</div>  
||[[derivative]]
| rowspan=3|''f''&nbsp;'(''x'') is the derivative of the function ''f'' at the point ''x'', i.e., the [[slope]] of the [[tangent]] to ''f'' at ''x''.
| rowspan=3|If ''f''(''x'')&nbsp;:=&nbsp;''x''<sup>2</sup>, then ''f''&nbsp;'(''x'')&nbsp;=&nbsp;2''x''
|-
|align=center|... prime; derivative of ...
|-
|align=right|[[ক্যালকুলাস]]
|-
| rowspan=6 bgcolor=#d0f0d0 align=center|<div style="font-size:150%;">∫</div> 
||[[indefinite integral]] or [[antiderivative]] 
| rowspan=3|∫&nbsp;''f''(''x'')&nbsp;d''x'' অর্থ a function whose derivative is ''f''.
| rowspan=3| ∫''x''<sup>2</sup>&nbsp;d''x''&nbsp;= ''x''<sup>3</sup>/3 + C
|-
|align=center|indefinite integral of ...;; the antiderivative of ...
|-
|align=right|[[ক্যালকুলাস]]
|- 
||[[definite integral]]
| rowspan=3|∫<sub>''a''</sub><sup>''b''</sup>&nbsp;''f''(''x'')&nbsp;d''x'' অর্থ the signed [[area]] between the ''x''-axis and the [[graph (functions)|graph]] of the [[function (mathematics)|function]] ''f'' between ''x''&nbsp;= ''a'' and ''x''&nbsp;= ''b''.
| rowspan=3|∫<sub>0</sub><sup>''b''</sup>&nbsp;x<sup>2 </sup>&nbsp;d''x''&nbsp;= ''b''<sup>3</sup>/3;
|-
|align=center|integral from ... to ... of ... with respect to
|-
|align=right|[[ক্যালকুলাস]]
|-
| rowspan=3 bgcolor=#d0f0d0 align=center|<div style="font-size:200%;">∇</div> 
||[[ঢাল]]
| rowspan=3|∇''f'' (x<sub>1</sub>, …, x<sub>''n''</sub>) is the vector of partial derivatives (''df'' / ''dx''<sub>1</sub>, …, ''df'' / ''dx''<sub>''n''</sub>).
| rowspan=3|If ''f'' (''x'',''y'',''z'') := 3''xy'' + ''z''², then ∇''f''&nbsp;=&nbsp;(3''y'', 3''x'', 2''z'')
|-
|align=center|ডেলটা, ঢাল
|-
|align=right|[[ক্যালকুলাস]]
|-
| rowspan=6 bgcolor=#d0f0d0 align=center|<div style="font-size:200%;">∂</div> 
||[[partial derivative]]
| rowspan=3| With ''f'' (x<sub>1</sub>, …,  x<sub>''n''</sub>), ∂f/∂x<sub>i</sub> is the derivative of ''f'' with respect to x<sub>i</sub>, with all other variables kept constant.
| rowspan=3| If ''f''(x,y) := x<sup>2</sup>y, then ∂''f''/∂x = 2xy
|-
|align=center|partial derivative of
|-
|align=right|[[ক্যালকুলাস]]
|-
|[[Boundary (topology)|boundary]]
| rowspan=3| ∂''M'' অর্থ the boundary of ''M''
| rowspan=3| ∂{x : <nowiki>||</nowiki>x<nowiki>||</nowiki> ≤ 2} = {x : <nowiki>||</nowiki>x<nowiki>||</nowiki> = 2}
|-
|align=center|boundary of
|-
|align=right|[[topology]]
|-
| rowspan=6 bgcolor=#d0f0d0 align=center|<div style="font-size:200%;">⊥</div> 
||লম্ব
| rowspan=3|''x'' ⊥ ''y'' অর্থ ''x'' is perpendicular to ''y''; or more generally ''x'' is orthogonal to ''y''.
| rowspan=3|If ''l''⊥''m'' and ''m''⊥''n'' then ''l'' <nowiki>||</nowiki> ''n''.
|-
|align=center|লম্ব
|-
|align=right|[[জ্যামিতি]]
|-
||[[bottom element]]
| rowspan=3|''x'' = ⊥ অর্থ ''x'' is the smallest element. 
| rowspan=3|∀''x'' : ''x'' ∧ ⊥ = ⊥
|-
|align=center|the bottom element
|-
|align=right|[[Lattice (order)|lattice theory]]
|-
| rowspan=3 bgcolor=#d0f0d0 align=center| <div style="font-size:200%;">⊧</div> 
||[[entailment]]
| rowspan=3| ''A'' ⊧ ''B'' অর্থ the sentence ''A'' entails the sentence ''B'', that is every model in which ''A'' is true, ''B'' is also true.
| rowspan=3| ''A'' ⊧ ''A'' ∨ ¬''A''
|-
|align=center|entails
|-
|align=right| [[মডেল তত্ত্ব]]
|-
| rowspan=3 bgcolor=#d0f0d0 align=center| <div style="font-size:200%;">⊢</div> 
||[[inference]]
| rowspan=3|''x'' ⊢ ''y'' অর্থ ''y'' রাশিটি ''x'' থেকে উদ্ভূত
| rowspan=3| ''A'' → ''B'' ⊢ ¬''B'' → ¬''A''
|-
|align=center|থেকে উদ্ভূত
|-
|align=right|[[propositional logic]], [[predicate logic]]
|-
| rowspan=3 bgcolor=#d0f0d0 align=center| <div style="font-size:200%;"> ◅ </div>
||[[normal subgroup]]
| rowspan=3| ''N'' ◅ ''G'' অর্থ that ''N'' is a normal subgroup of group ''G''.
| rowspan=3| ''Z''(''G'') ◅ ''G'' 
|-
|align=center|is a normal subgroup of
|-
|align=right|[[গুচ্ছ তত্ত্ব]]
<!-- This non-TeX isosceles TriangleLeftSymbol was found in Mac : TextEdit : Edit->Special Characters => Character Palette : by Category->Symbols-> Geometrical Shapes. -->
|-
| rowspan=6 bgcolor=#d0f0d0 align=center|<div style="font-size:200%;"> / </div>
||[[quotient group]]
| rowspan=3| ''G''/''H'' অর্থ the quotient of group ''G'' [[modulo]] its subgroup ''H''.
| rowspan=3| {0, ''a'', 2''a'', ''b'', ''b''+''a'', ''b''+2''a''} / {0, ''b''} = {{0, ''b''}}, {''a'', ''b''+''a''}, {{2''a'', ''b''+2''a''}}
|-
|align=center| mod
|-
|align=right| [[group theory]]
|-
|quotient set
| rowspan=3| ''A''/~ অর্থ the set of all ~ [[equivalence class]]es in ''A''.
|-
|align=center|
|-
|align=right| [[সেট তত্ত্ব]]
|-
| rowspan=6 bgcolor=#d0f0d0 align=center|<div style="font-size:200%;"> ≈ </div>
||[[isomorphism]]
| rowspan=3| ''G'' ≈ ''H'' অর্থ that group ''G'' is isomorphic to group ''H''
| rowspan=3| ''Q'' / {1, −1} ≈ ''V'', <br />where ''Q'' is the [[quaternion group]] and ''V'' is the [[Klein four-group]].
|-
|align=center | is isomorphic to
|-
|align=right| [[গুচ্ছ তত্ত্ব]]
|-
|প্রায় সমান
| rowspan=3|''x'' ≈ ''y'' অর্থ ''x'' এবং ''y'' প্রায় সমান
| rowspan=3|π ≈ 3.14159
|-
|align=center|প্রায় সমান
|-
|align=right|সর্বক্ষেত্রে
|-
| rowspan=3 bgcolor=#d0f0d0 align=center|<div style="font-size:200%;"> ⊗ </div>
||[[tensor product]]
| rowspan=3| ''V'' ⊗ ''U'' অর্থ the tensor product of ''V'' and ''U''.
| rowspan=3| {1, 2, 3, 4} ⊗ {1,1,2} = <br /> {{1, 2, 3, 4}}, {1, 2, 3, 4}, {{2, 4, 6, 8}}
|-
|align=center| tensor product of
|-
|align=right| [[রৈখিক বীজগণিত]]
|}

== বিশেষ চিহ্নসমূহ ==
প্রযুক্তিগত সীমাবদ্ধতার কারণে অনেক কম্পিউটার এই নিবন্ধে কিছু বিশেষ অক্ষর প্রদর্শন করতে পারে না। এই জাতীয় অক্ষরগুলি আপনার ব্রাউজার, অপারেটিং সিস্টেম এবং ইনস্টল করা ফন্টের উপর নির্ভর করে বাক্স, প্রশ্ন চিহ্ন বা অন্যান্য বাজে প্রতীক হিসাবে রেন্ডার করা যেতে পারে। এমনকি আপনি যদি নিশ্চিত হয়ে থাকেন যে আপনার ব্রাউজারটি নিবন্ধটি ইউটিএফ -8 এনকোড হিসাবে ব্যাখ্যা করছে এবং আপনি এমন একটি ফন্ট ইনস্টল করেছেন যা ইউনিকোডের বিস্তৃত সমর্থন করে যেমন কোড 2000, আরিয়াল ইউনিকোড এমএস, লুসিডা সানস ইউনিকোড বা ফ্রি ইউনিকোড ফন্টগুলির মধ্যে একটি, এই ক্ষেত্রে ব্রাউজারের ক্ষমতা পরিবর্তিত হওয়ার কারণে আপনার এখনও একটি আলাদা ব্রাউজার ব্যবহার করতে হবে।

== আরও দেখুন ==
* [[Mathematical alphanumeric symbols]]
* [[গাঠনিক ধ্রুবক]]
* [[পদার্থবিজ্ঞানের চলকরাশি]]
* [[আই এস ও ৩১-১১]]

== বহিঃসংযোগ ==
* [https://web.archive.org/web/20081204035420/http://members.aol.com/jeff570/mathsym.html Jeff Miller: ''প্রাচীনকালে ব্যবহৃত গাণিতিক চিহ্নসমূহ'']
* [https://web.archive.org/web/20040829091443/http://www.tcaep.co.uk/science/symbols/maths.htm TCAEP - পদার্থবিজ্ঞান ইনস্টিটিউশন]
* [http://us.metamath.org/symbols/symbols.html গাণিতিক চিহ্নসমূহের GIF এবং PNG চিত্র]
* [http://krestavilis.com/math.php The complete set of mathematics Unicode characters] {{ওয়েব আর্কাইভ|url=https://web.archive.org/web/20180921173452/http://krestavilis.com/math.php |date=২১ সেপ্টেম্বর ২০১৮ }}
* [http://jeff560.tripod.com/mathsym.html Jeff Miller: ''Earliest Uses of Various Mathematical Symbols'']
* [http://www.numericana.com/answer/symbol.htm Numericana: ''Scientific Symbols and Icons'']
* [https://web.archive.org/web/20080821174200/http://tlt.psu.edu/suggestions/international/bylanguage/math.html#browsers Mathematical Symbols in Unicode]
* [http://www.alanwood.net/demos/symbol.html Using Greek and special characters from Symbol font in HTML]
* [http://www.vex.net/~trebla/symbols/select.html Unicode Math Symbols] - a quick form for using unicode math symbols.
* [http://detexify.kirelabs.org/classify.html DeTeXify handwritten symbol recognition] — doodle a symbol in the box, and the program will tell you what its name is

গাণিতিক অপারেটরের কিছু ইউনিকোড চার্ট:
* [http://www.unicode.org/charts/#symbols Index of Unicode symbols]
* [http://www.unicode.org/charts/PDF/U2100.pdf Range 2100–214F: Unicode Letterlike Symbols]
* [http://www.unicode.org/charts/PDF/U2190.pdf Range 2190–21FF: Unicode Arrows]
* [http://www.unicode.org/charts/PDF/U2200.pdf Range 2200–22FF: Unicode Mathematical Operators]
* [http://www.unicode.org/charts/PDF/U27C0.pdf Range 27C0–27EF: Unicode Miscellaneous Mathematical Symbols–A]
* [http://www.unicode.org/charts/PDF/U2980.pdf Range 2980–29FF: Unicode Miscellaneous Mathematical Symbols–B]
* [http://www.unicode.org/charts/PDF/U2A00.pdf Range 2A00–2AFF: Unicode Supplementary Mathematical Operators]

ইউনিকোড ক্রস রেফারেন্স:
* [https://web.archive.org/web/20141105143723/http://www.artofproblemsolving.com/Wiki/index.php/LaTeX:Symbols Short list of commonly used LaTeX symbols] and [https://web.archive.org/web/20090323063515/http://mirrors.med.harvard.edu/ctan/info/symbols/comprehensive/ Comprehensive LaTeX Symbol List]
* [https://web.archive.org/web/20140222144828/http://www.robinlionheart.com/stds/html4/entities-mathml MathML Characters] - sorts out Unicode, HTML and MathML/TeX names on one page
* [http://www.w3.org/TR/REC-MathML/chap6/bycodes.html Unicode values and MathML names]
* [https://web.archive.org/web/20141126074509/http://svn.ghostscript.com/ghostscript/branches/gs-db/Resource/Decoding/Unicode Unicode values and Postscript names] from the source code for Ghostscript

{{গণিত-অসম্পূর্ণ}}

{{DEFAULTSORT:গাণিতিক চিহ্নের সারণি}}
[[বিষয়শ্রেণী:গাণিতিক চিহ্ন]]
[[বিষয়শ্রেণী:গণিত]]
[[বিষয়শ্রেণী:গাণিতিক প্রতীক]]
[[বিষয়শ্রেণী:গাণিতিক অঙ্কপাতন]]
[[বিষয়শ্রেণী:গাণিতিক যুক্তিবিজ্ঞান]]
[[বিষয়শ্রেণী:গাণিতিক সারণী]]