documentclass{article}
usepackage{amsmath}
usepackage{algorithm}
usepackage[]{algpseudocode}

documentclass{book}
usepackage{lipsum}
begin{document}
tableofcontents
chapter*{List of Symbols}
begin{tabular}{ll}
    $+$ & Addition Operator\
    $-$ & Subtraction Operator\
    $times$ & Multiplication Operator\
    $sqrt{x}$ & Square Root of $x$\
    $odot$ & Foo Bar\
    $Leftrightarrow$ & Bar Foo
end{tabular}
chapter{Check chapter}
lipsum[1]
chapter{Check chapter}
section{Check section}
end{document}