Converting Text to PNG images
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Below are some example of how you can convert text expressions into an image to use within an assignment. Quotes are shown only to emphasize the spacing required for pre-subscripts and pre-superscripts. They are not required to be entered in the expression field.

Fractions
 Fraction 'x/y' Bevelled fraction '1\/2'

Subscripts and Superscripts
 Superscript 'x^2' or 'x**2' Subscript 'x_2' Pre-Superscript ' ^2x' Uranium isotope ' ^235U' Pre-Subscript ' _2x' Pre-Super/Subscript † ' _x^2B'
† It is not yet possible to have a prescript followed by both a superscript and subscript.

Operators and mathematical symbols
 Infinity 'infinity' Middot 'x middot y' Cross 'x cross y' Proportional To 'x propto y' or 'x proportional y' Approximately Equal 'x ~= y' Not Approximately Equal 'x !~= y' Union 'x union y' Intersect 'x intersect y' Perpendicular 'x perp y' Less than or equal to '<=' Greater than or equal to '>=' Not equal to '!=' Plus or minus '+/-' Square root 'sqrt(x)' N root 'root3(x)', 'root4(x)', ... 'rootn(x)' Absolute value 'abs(x)' Limit 'lim_(x->0)' Integral 'int_0^x' Closed Integral 'cintegral' Summation 'sum_(i=0)^x' Under/Over 'sum__(i=0)^^infinity' Product 'prod_(i=0)^x' Differentiation '(difff(x))/(diffx)' Partial derivative '(partial^2u)/(partialx^2)' Trig † 'cos(x)', 'arctan(y)', etc. ,
† Hyperbolic functions do not seem to be supported by LaTeX.

Greek characters and text
 Text 'text(a string of text)' Greek 'alpha', 'beta', 'delta', 'pi', etc... , , , Capital greek 'Omega', 'Theta', 'Lambda', etc... , ,

Matricies and Formulas
 Formula 'f(x)={(2x+1 text(if) x <= -1,3x text(if) -1 < x < 1,6x-1 text(if) x >= 1)' Quadratic formula 'x=(-b+/-sqrt(b^2-4ac))/(2a)' Matrix 'matrix(2,3,[x,y,z,a,b,c])' Matrix 'matrix(4,4,[a_(11),a_(12),...,a_(1n),a_(21),a_(22),...,a_(2n), _...,_...,\...,_...,a_(m1),a_(m2),...,a_(mn)])'

Other useful symbols
 Degree '36 deg' Under '(H_2O)__-->' Over '(H_2O)^^-->' Hat 'x^^\\^' Vector 'x^^\\->' Accent 'x^^\\'' Tilde 'x^^\\~' Grave 'x^^\\`' ell 'ell' hbar 'hbar' Overbar 'x^^\\_' Overbrace '(x+y+z)^^\\}' Underline 'x__\\__' Underbrace '(x+y+z)__\\_}' Left angle 'langle' Right angle 'rangle' Right arrow '->' Long right arrow '-->' Left arrow '<-' Long left arrow '<--' Left/Right arrow '<->' Right harpoon '~>' Left harpoon '<~' Left/Right harpoon '<~>' Double right arrow '==>' Double left arrow '<==' Double left/right arrow '<=>' Ellipsis '...' Vertical ellipsis '_...' Diagonal ellipsis '\...' Bold 'x + y'
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