Introducing Jokes

A Slide Rule doesn't shut down abruptly when it gets too hot.
One hundred people all using Slide Rules and Paper Pads do not start wailing and screaming due to a single-point failure.
A Slide Rule doesn't smoke whenever the power supply hiccups.
A Slide Rule doesn't care if you smoke, or hiccup.
You can spill coffee on a Slide Rule; you can use a Slide Rule while completely submerged in coffee.
You never get nasty system messages about filling up your entire paper quota with pointless GIF pictures for the root window.
A Slide Rule and Paper Pad fit in a briefcase with space left over for lunch or a change of underwear.
A properly used Slide Rule can perform pipelined *and* parallel operations. (Okay, you need a guru for this.)
You don't get junk mail offering pricey software upgrades that fix current floating point errors while introducing new ones.
A Slide Rule doesn't need scheduled hardware maintenance.
A Paper Pad supports text and graphics more...

A Slide Rule doesn't shut down abruptly when it gets too hot.
One hundred people all using Slide Rules and Paper Pads do not start
wailing and screaming due to a single-point failure.
A Slide Rule doesn't smoke whenever the power supply hiccups.
A Slide Rule doesn't care if you smoke, or hiccup.
You can spill coffee on a Slide Rule; you can use a Slide Rule while
completely submerged in coffee.
You never get nasty system messages about filling up your entire
paper quota with pointless GIF pictures for the root window.
A Slide Rule and Paper Pad fit in a briefcase with space left over
for lunch or a change of underwear.
A properly used Slide Rule can perform pipelined *and* parallel
operations. (Okay, you need a guru for this.)
You don't get junk mail offering pricey software upgrades that fix
current floating point errors while introducing new ones.
A Slide Rule doesn't need scheduled hardware maintenance.
A Paper Pad more...