User blog comment:Sbiis Saibian/Order of the Kasnerites/@comment-45.26.79.90-20170117172449/@comment-45.26.79.90-20170121152013

New extensions x{#}y = x{/}y = x{y}y

x{#+#}y = x{y+y}y

x{#*#}y = x{y*y}y

x{#^#}y = x{y^y}y

x{#@#}y = x{y[y]y}y Where [y] is defined as y up arrows