augroup latex_packages_abbr
    iabbrev <buffer> amsp <Esc>i\usepackage{amsmath}<Esc>
    iabbrev <buffer> tikzp <Esc>i\usepackage{pgf}<Esc>
    iabbrev <buffer> circp <Esc>i\usepackage{circuitikz}<Esc>
augroup END