{
    "Template": {
        "prefix": ["template", "\\template"], 
        "body": [
            "%%%%%%%%%%%%%%%%%%%%%%%%%%%%% Define Article %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%", 
            "\\documentclass{article}", 
            "%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%", 
            "", 
            "%%%%%%%%%%%%%%%%%%%%%%%%%%%%% Using Packages %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%", 
            "\\usepackage{geometry}", 
            "\\usepackage{graphicx}", 
            "\\usepackage{amssymb}", 
            "\\usepackage{amsmath}", 
            "\\usepackage{amsthm}", 
            "\\usepackage{empheq}", 
            "\\usepackage{mdframed}", 
            "\\usepackage{booktabs}", 
            "\\usepackage{lipsum}", 
            "\\usepackage{graphicx}", 
            "\\usepackage{color}", 
            "\\usepackage{psfrag}", 
            "\\usepackage{pgfplots}", 
            "\\usepackage{bm}", 
            "%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%", 
            "", 
            "${3:% Other Settings}", 
            "", 
            "%%%%%%%%%%%%%%%%%%%%%%%%%% Page Setting %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%", 
            "\\geometry{a4paper}", 
            "", 
            "%%%%%%%%%%%%%%%%%%%%%%%%%% Define some useful colors %%%%%%%%%%%%%%%%%%%%%%%%%%", 
            "\\definecolor{ocre}{RGB}{243,102,25}", 
            "\\definecolor{mygray}{RGB}{243,243,244}", 
            "\\definecolor{deepGreen}{RGB}{26,111,0}",
            "\\definecolor{shallowGreen}{RGB}{235,255,255}",
            "\\definecolor{deepBlue}{RGB}{61,124,222}",
            "\\definecolor{shallowBlue}{RGB}{235,249,255}", 
            "%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%", 
            "", 
            "%%%%%%%%%%%%%%%%%%%%%%%%%% Define an orangebox command %%%%%%%%%%%%%%%%%%%%%%%%", 
            "\\newcommand\\orangebox[1]{\\fcolorbox{ocre}{mygray}{\\hspace{1em}#1\\hspace{1em}}}", 
            "%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%", 
            "", 
            "%%%%%%%%%%%%%%%%%%%%%%%%%%%% English Environments %%%%%%%%%%%%%%%%%%%%%%%%%%%%%", 
            "\\newtheoremstyle{mytheoremstyle}{3pt}{3pt}{\\normalfont}{0cm}{\\rmfamily\\bfseries}{}{1em}{{\\color{black}\\thmname{#1}~\\thmnumber{#2}}\\thmnote{\\,--\\,#3}}", 
            "\\newtheoremstyle{myproblemstyle}{3pt}{3pt}{\\normalfont}{0cm}{\\rmfamily\\bfseries}{}{1em}{{\\color{black}\\thmname{#1}~\\thmnumber{#2}}\\thmnote{\\,--\\,#3}}", 
            "\\theoremstyle{mytheoremstyle}", 
            "\\newmdtheoremenv[linewidth=1pt,backgroundcolor=shallowGreen,linecolor=deepGreen,leftmargin=0pt,innerleftmargin=20pt,innerrightmargin=20pt,]{theorem}{Theorem}[section]", 
            "\\theoremstyle{mytheoremstyle}", 
            "\\newmdtheoremenv[linewidth=1pt,backgroundcolor=shallowBlue,linecolor=deepBlue,leftmargin=0pt,innerleftmargin=20pt,innerrightmargin=20pt,]{definition}{Definition}[section]", 
            "\\theoremstyle{myproblemstyle}", 
            "\\newmdtheoremenv[linecolor=black,leftmargin=0pt,innerleftmargin=10pt,innerrightmargin=10pt,]{problem}{Problem}[section]", 
            "%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%", 
            "", 
            "%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% Plotting Settings %%%%%%%%%%%%%%%%%%%%%%%%%%%%%", 
            "\\usepgfplotslibrary{colorbrewer}", 
            "\\pgfplotsset{width=8cm,compat=1.9}", 
            "%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%", 
            "", 
            "%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% Title & Author %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%", 
            "\\title{${1:Title}}", 
            "\\author{${2:Haoyun Qin}}", 
            "%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%", 
            "", 
            "\\begin{document}",
            "    \\maketitle",
            "    $0",
            "\\end{document}"
        ],
        "description": "Use the default template which includes a variety of packages and declared-commands. The template will also automatically generate the title and author, as well as date, and will formate the document."
    },
    "Large Summation": {
        "prefix": ["sumlarge", "\\sumlarge"],
		"body": [
			"\\displaystyle\\sum_{$1}^{$2}$3"
		],
		"description": "Insert a large summation notation."
    },
    "Inline Summation": {
        "prefix": ["suminline", "\\suminline"],
        "body": [
            "\\sum_{$1}^{$2}$3"
        ],
        "description": "Insert an inline summation notation, (only in the cases when the environment is inline math environment)."
    },
    "Inline Math": {
        "prefix": ["mathinline", "\\mathinline"],
        "body": [
            "$ $1 $$0"
        ],
        "description": "Insert inline Math Environment."
    },
    "Centered Math": {
        "prefix": ["mathcentered", "\\mathcentered"],
        "body": [
            "$$ $0 $$"
        ],
        "description": "Insert centered Math Environment."
    },
    "Section": {
        "prefix": ["section", "\\section"],
        "body": [
            "\\section{$1}$0"
        ],
        "description": "Insert a new section."
    },
    "Subsection": {
        "prefix": ["subsection", "\\subsection"],
        "body": [
            "\\subsection{$1}$0"
        ],
        "description": "Insert a new subsection."
    },
    "Header": {
        "prefix": ["header", "\\header", "##"],
        "body": "\\section*{$1}$0",
        "description": "Insert a section without index."
    },
    "Header Small": {
        "prefix": ["headersmall", "\\headersmall", "###"],
        "body": "\\subsection*{$1}$0",
        "description": "Insert a subsection without index."
    },
    "Italic Text": {
        "prefix": ["italic", "\\italic", "*"], 
        "body": "\\textit{$1}$0",
        "description": "Insert italic text."
    },
    "Bold Text": {
        "prefix": ["bold", "\\bold", "**"],
        "body": "\\textbf{$1}$0",
        "description": "Insert bold text."
    },
    "Bold Italic Text": {
        "prefix": ["bolditalic", "\\bolditalic", "***"],
        "body": "\\textbf{\\textit{$1}}$0",
        "description": "Insert bold italic text."
    },
    "Itemize": {
        "prefix": ["- ", "\\itemize", "itemize"],
        "body": [
            "\\begin{itemize}",
            "\t\\item $1",
            "\\end{itemize}$0"
        ]
    },
    "Up": {
        "prefix": ["to", "\\to"],
        "body": [
            "^ {$1}$0"
        ],
        "description": "Superscript notation, as well as the power notation."
    },
    "Theorem": {
        "prefix": ["theorem", "\\theorem"],
        "body": [
            "\\begin{theorem}[${1:name of the theorem}]",
            "\t$0",
            "\\end{theorem}"
        ],
        "description": "Insert a theorem, whose style is already defined in the template. The serial number is automatically generated according to the section."
    },
    "Problem": {
        "prefix": ["problem", "\\problem"],
        "body": [
            "\\begin{problem}[${1:name of the problem}]",
            "\t$0",
            "\\end{problem}"
        ],
        "description": "Insert a problem, whose style is already defined in the template. The serial number is automatically generated according to the section."
    },
    "Indent": {
        "prefix": ["tab", "\\tab"],
        "body": ["\\indent "],
        "description": "The equivalent of \"\\t\", also known as \"Tab\""
    },
    "Definition": {
        "prefix": ["definition", "\\definition"],
        "body": [
            "\\begin{definition}[${1:name of the definition}]",
            "\t$0",
            "\\end{definition}"
        ],
        "description": "Insert a definition, whose style is already defined in the template. The serial number is automatically generated according to the section."
    },
    "Proof": {
        "prefix": ["proof", "\\proof"],
        "body": [
            "\\begin{proof}[Proof ${1:Other Information}]",
            "\t$0",
            "\\end{proof}"
        ],
        "description": "Insert a proof, whose style is already defined in the template. The serial number is automatically generated according to the section."
    },
    "Large Integral": {
        "prefix": ["integrallarge", "\\integrallarge"],
		"body": [
			"\\displaystyle\\int_{$1}^{$2}$3"
		],
		"description": "Insert large integral notation."
    },
    "Inline Integral": {
        "prefix": ["integralinline", "\\integralinline"],
        "body": [
            "\\int_{$1}^{$2}$3"
        ],
        "description": "Insert inline integral notation, (only in the cases when the environment is inline math environment)."
    },
    "Inline Fraction": {
        "prefix": ["fractioninline", "\\fractioninline"],
        "body": ["\\frac{$1}{$2}$0"],
        "description": ["Insert inline fraction notation, (only in the cases when the environment is inline math environment)."]
    },
    "Large Fraction": {
        "prefix": ["fractionlarge", "\\fractionlarge"],
        "body": ["\\displaystyle\\frac{$1}{$2}$0"],
        "description": ["Insert large fraction notation"]
    },
    "Create 2D Plot environment": {
        "prefix": ["plotenvironment2d", "\\plotenvironment2d"],
        "body": [
            "\\begin{tikzpicture}",
            "\\begin{axis}[",
            "legend pos=outer north east,",
            "title=${1:Example},",
            "axis lines =${2| box, left, middle, center, right, none|},",
            "xlabel = \\$x\\$,",
            "ylabel = \\$y\\$,",
            "variable = t,",
            "trig format plots = rad,",
            "]",
            "$3",
            "\\end{axis}",
            "\\end{tikzpicture}$0"
        ],
        "description": "Create a 2DPlot Environment of pgfplots. The style declarations are already included in the snippet."
    },
    "Plot 2D Graph": {
        "prefix": ["plotgraph2d", "\\plotgraph2d"],
        "body": [
            "\\addplot [",
            "\tdomain=${1:-10}:${2:10}," ,
            "\tsamples=70,", 
            "\tcolor=${3:blue},",
            "\t]",
            "\t{${4:x^2 + 2*x + 1}};",
            "\\addlegendentry{$${5:x^2 + 2x + 1}$}",
            "$0"
        ],
        "description": "Plot a 2D Graph in the 2D graph environment, noted that this can also be used in the 3D environment."
    },
    "Plot Circle 2D": {
        "prefix": ["plotcircle2d", "\\plotcircle2d"],
        "body": [
            "\\addplot [",
            "\tdomain=0:2*3.14159265," ,
            "\tsamples=70,", 
            "\tcolor=${4:blue},",
            "\t]",
            "\t({${1:r}*cos(t)+${2:a}},{${1:r}*sin(t)+${3:b}});",
            "\\addlegendentry{$(x-${2:a})^2+(y-${3:b})^2=${1:r}^2$}$0"
        ],
        "description": "Plot a 2D Circle in the 2D graph environment, noted that this can also be used in the 3D environment."
    },
    "Plot Line 2D": {
        "prefix": ["plotline2d", "\\plotline2d"],
        "body": [
            "\\addplot [",
            "\tdomain=${4:x1}:${5:x2}," ,
            "\tsamples=70,", 
            "\tcolor=${3:blue},",
            "\t]",
            "\t{${1:a}*x+${2:b}};",
            "\\addlegendentry{$ y=${1:a}x+${2:b}$}$0"
        ],
        "description": "Plot a 2D Line in the 2D graph environment, noted that this can also be used in the 3D environment."
    },
    "Plot Ellipse 2D": {
        "prefix": ["plotellipse2d", "\\plotellipse2d"],
        "body": [
            "\\addplot [",
            "\tdomain=0:2*3.14159265," ,
            "\tsamples=70,", 
            "\tcolor=${5:blue},",
            "\t]",
            "\t({${1:a}*cos(t)+${3:x}},{${2:b}*sin(t)+${4:y}});",
            "\\addlegendentry{$\\frac{(x-${3:x})^2}{${1:a}^2}+\\frac{(y-${4:y})^2}{${2:b}^2}=1$}$0"
        ],
        "description": "Plot a 2D Ellipse in the 2D graph environment, noted that this can also be used in the 3D environment."
    },
    "Plot Quadratic Function 2D by Point": {
        "prefix": ["plotquadraticfunction2dbypoint", "\\plotquadraticfunction2dbypoint"],
        "body": [
            "\\addplot [",
            "\tdomain=${4:x1}:${5:x2}," ,
            "\tsamples=70,", 
            "\tcolor=${6:blue},",
            "\t]",
            "\t{${1:a}*(x-${2:m})*(x-${2:m})+${3:b}};",
            "\\addlegendentry{$ y=${1:a}(x-${2:m})^2+${3:b}$}$0"
        ],
        "description": "Plot a 2D graph of a quadratic function in the 2D graph environment by the given extrema, noted that this can also be used in the 3D environment."
    },
    "Plot Smooth Curve By Point Set": {
        "prefix": ["plotsmoothcurvebypointset", "\\plotsmoothcurvebypointset"],
        "body": [
            "\\addplot+[smooth]",
            "coordinates",
            "{",
            "${1:seperate the coordinates with spaces}",
            "};$0"
        ],
        "description": "Plot a Smooth Curve by point set (2D)."
    },
    "Create 3D Plot Environment": {
        "prefix": ["plotenvironment3d", "\\plotenvironment3d"],
        "body": [
            "\\begin{tikzpicture}",
            "\\begin{axis}[",
            "legend pos=outer north east,",
            "title=${1:Example},",
            "axis lines =${2| box, left, middle, center, right, none|},",
            "colormap/${3|hot,hot2,jet,blackwhite,bluered,cool,greenyellow,redyellow,violet|},",
            "xlabel = \\$x\\$,",
            "ylabel = \\$y\\$,",
            "zlabel = \\$z\\$,",
            "variable = t,",
            "trig format plots = rad,",
            "]",
            "$4",
            "\\end{axis}",
            "\\end{tikzpicture}$0"
        ],
        "description": "Create a 3DPlot Environment of pgfplots. The style declarations are already included in the snippet."
    },
    "Plot 3D Graph": {
        "prefix": ["plotgraph3d", "\\plotgraph3d"],
        "body": [
            "\\addplot3[",
            "\t${1|surf,mesh|},",
            "\tsamples=50,",
            "]",
            "{${2:x^2+y^2}};",
            "\\addlegendentry{\\$${3:x}\\$}$0"
        ],
        "description": "Plot a 3D Graph in the 3D graph environment created."
    },
    "Create Align* Environment in Text": {
        "prefix": ["aligntext", "\\aligntext"],
        "body": [
            "\\begin{align*}",
            "\t$1",
            "\\end{align*}$0"
        ],
        "description": "Create an align environment when the context is in the text environment."
    },
    "Insert Problem Solving Index": {
        "prefix": ["problemindex", "\\problemindex"], 
        "body": ["\\noindent\\textbf{$1} $0"],
        "description": "Insert problem solving index format."
    },
    "Insert Solution Notation": {
        "prefix": ["solution", "\\solution"],
        "body": ["\\textit{ Sol. }"],
        "description": "Insert italic 'Sol.'"
    }
}