what your math slides dont need

7/27/2019 What Your Math Slides Dont Need

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What your math slidesdont need


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An outline.


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Introduction

Something I dont care about yet

You expect me to remember this in 15 minutes?

Short-term memory is limited

I dont even understand what this is

I wonder whats on Twitter right now

How long is this talk, anyway?

Conclusion and remarks


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Sentences.


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Theres a reason its called a talk. Reading is difficult. During the time you are reading these senten

impossible for you to also be understanding complex ideas being spoken at the same time. In fact,

the same words being read aloud, doing both modes simultaneously leads to less efficient learnin

doing either one alone.

The most common reason for lots of sentences on slides is a lack of confidence. Practice more. Us

notes if you want to. But dont read your slides!

What would you rather look at? These

sentences, or the picture? Brains are

inherently lazy and easily distracted.


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Grammar.


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Substituting = and using the formula for a geometric sum in , we can simplify this to obt

= =0

1 = 1

1 .

Geometric sum ( = ):

= =0

1 = 1

1


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Progress indicators.


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I can do

this.

Oh, man.

Shes going

overtime!?


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Equation numbers.


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Using (2) and substituting (4) for , we derive

=

=0

1 = 1

1 .

Um, right.

Pixels are cheap. Just show me!

= =0

1

= = 1

1


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Clutter.


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I know these shadows arent real.

Is this any le

Stuff used by nobody

Often used to remind you which conference youre

Presentations need titles.

Slides dont.


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Distractions.


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Dont use colored backgrounds.

They make graphics jarring.

Also avoid


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conspicuous transitions,

multiple fonts, and

Clip art! Except for one laugh, maybe.


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Low-res screen capture.


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Message: I don


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Bibliography.


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Yes, let me write this do


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Beamer.

1 5


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Count the ways!

1. Cluttered by default.

2. Encourages text.

3. Discourages layout.

4. Annotations? Ha!

You can put LaTeX formulas in

Powerpoint, Keynote, etc.

0 1 2 3 4-1.5

-1

-0.5

0

0.5

1

1.5

sin(x)

cos(x)

sin(x)+c

0 1 2 3 4-1.5

-1

-0.5

0

0.5

1

1.5

sin()

cos()

sin() + cos()

what your math slides dont need

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