diff --git a/.latexmkrc b/.latexmkrc
new file mode 100644
index 0000000..4501696
--- /dev/null
+++ b/.latexmkrc
@@ -0,0 +1 @@
+$pdf_mode = 5;
diff --git a/nvim/ginit.vim b/nvim/ginit.vim
deleted file mode 100644
index 7a5f7ac..0000000
--- a/nvim/ginit.vim
+++ /dev/null
@@ -1,2 +0,0 @@
-set guioptions=mlrb
-set mouse
diff --git a/nvim/init.vim b/nvim/init.vim
index eae9594..12d6991 100644
--- a/nvim/init.vim
+++ b/nvim/init.vim
@@ -25,19 +25,22 @@ Plug 'heavenshell/vim-pydocstring'
 "Other
 Plug 'wakatime/vim-wakatime'
 Plug 'ctrlpvim/ctrlp.vim'
-"Plug 'lervag/vimtex'
+Plug 'lervag/vimtex'
+Plug 'KeitaNakamura/tex-conceal.vim', {'for': 'tex'}
 Plug 'tikhomirov/vim-glsl'
 
 
 Plug 'ryanoasis/vim-devicons'
 call plug#end()
 
+set runtimepath+=~/.config/nvim/my-snippets/
+
 "LaTeX
-"let g:tex_flavor='latex'
-"let g:vimtex_view_method='zathura'
-"let g:vimtex_quickfix_mode=0
-"set conceallevel=1
-"let g:tex_conceal='abdmg'
+let g:tex_flavor='latex'
+let g:vimtex_view_method='zathura'
+let g:vimtex_quickfix_mode=0
+set conceallevel=2
+let g:tex_conceal='abdmgs'
 
 "Python
 "let g:python_host_prog='/usr/bin/python'
@@ -82,10 +85,15 @@ set expandtab
 set smartindent
 set autoindent
 
+"spell
+"set spell spelllang=en,ru
+
 "ui
 colorscheme monokai
 set termguicolors
-set guifont=DroidSansMono\ Nerd\ Font\ 11
+"set guifont=DroidSansMono\ Nerd\ Font\ 11
 set laststatus=2
 let g:airline_theme='powerlineish'
 let g:airline_powerline_fonts = 1
+
+hi Conceal guibg=Normal guifg=Normal
diff --git a/nvim/my-snippets/UltiSnips/tex.snippets b/nvim/my-snippets/UltiSnips/tex.snippets
new file mode 100644
index 0000000..f201646
--- /dev/null
+++ b/nvim/my-snippets/UltiSnips/tex.snippets
@@ -0,0 +1,7 @@
+snippet vec "vector sign"
+\vec{$0}
+endsnippet
+
+snippet suml "\sum\limits"
+\sum\limits^{${1:n}}_{${2:i=1}} $0
+endsnippet
diff --git a/nvim/spell/en.utf-8.spl b/nvim/spell/en.utf-8.spl
new file mode 100644
index 0000000..e4b1e1c
Binary files /dev/null and b/nvim/spell/en.utf-8.spl differ
diff --git a/nvim/spell/en.utf-8.sug b/nvim/spell/en.utf-8.sug
new file mode 100644
index 0000000..103ebfc
Binary files /dev/null and b/nvim/spell/en.utf-8.sug differ
diff --git a/nvim/spell/ru.utf-8.add b/nvim/spell/ru.utf-8.add
new file mode 100644
index 0000000..7ec26bd
--- /dev/null
+++ b/nvim/spell/ru.utf-8.add
@@ -0,0 +1,11 @@
+были
+ЗЛП
+крайнейточкой
+крайнюю
+афинная
+ЗНП
+ЗВП
+афинные
+:
+Балтрашевич
+Корытов
diff --git a/nvim/spell/ru.utf-8.add.spl b/nvim/spell/ru.utf-8.add.spl
new file mode 100644
index 0000000..4d9934d
Binary files /dev/null and b/nvim/spell/ru.utf-8.add.spl differ
diff --git a/nvim/spell/ru.utf-8.spl b/nvim/spell/ru.utf-8.spl
new file mode 100644
index 0000000..96e7592
Binary files /dev/null and b/nvim/spell/ru.utf-8.spl differ
diff --git a/nvim/spell/ru.utf-8.sug b/nvim/spell/ru.utf-8.sug
new file mode 100644
index 0000000..ba5a361
Binary files /dev/null and b/nvim/spell/ru.utf-8.sug differ