Added calculator. Fixed whitespace.

.zshrc

@@ -61,7 +61,7 @@ source $HOME/.config/base16-shell/scripts/base16-default-dark.sh
 # Emscripten
 #source /home/lanxu/Koodit/github/emsdk/emsdk_env.sh
 
-# TERM=xterm-256color
+#TERM=xterm-256color
 #bindkey "${terminfo[khome]}" beginning-of-line
 #bindkey "${terminfo[kend]}" end-of-line
 export TERMCMD=termite
@@ -91,6 +91,10 @@ function aurupdate {
 	sudo pacman -Syu
 }
 
+function c {
+	echo "scale=2; $@" | bc
+}
+
 function aurls {
 	sudo pacman -Sl custom
 }