PI How-To Videos & Articles

Follow these pi tutorials to learn all about pi with WonderHowTo's collection of free how-to videos and articles, like Calculate Pi by Throwing Frozen Hot Dogs, Prove That Pi Equals 3, and Find the Surface Area of Cones.

You'll also find several great education tutorials in the Education category.

How To Calculate Pi by Throwing Frozen Hot Dogs

Calculate Pi by Throwing Frozen Hot Dogs

Throwing a pie in someone's face is good. Throwing food at pi is better. Believe it or not, of all the countless ways to approximate the ...more

C Article
Written 4 months ago by WikiHow | Comments 0
Views 429

How To Prove That Pi Equals 3

Prove That Pi Equals 3

Are you burdened by the necessary evil of memorizing a sequence of seemingly random and intangible numbers simply to perform the operation ...more

C Article
Written 4 months ago by WikiHow | Comments 0
Views 61

How To Find the Surface Area of Cones

Find the Surface Area of Cones

Finding the surface area of cones is not that hard. But it can require some patience and ingenuity, depending on what information is ...more

C Article
Written 3 months ago by WikiHow | Comments 0
Views 248

How To Find a Gift for a Self Proclaimed Nerd or Geek

Find a Gift for a Self Proclaimed Nerd or Geek

Do you know someone who is a class 'A', dyed-in-the-wool, true-blue ...more

C Article
Written 4 months ago by WikiHow | Comments 0
Views 115

How to enable the scientific calculator in Windows XP

Enable the scientific calculator in Windows XP

Need to compute e^(i*pi) + 1 but only have access to the built-in ...more

C+ 2:00
Curated 1 year ago by Pigeonchicken | Comments 0
Views 214

How to order a beer in 7 languages

Order a beer in 7 languages

When it comes to preparing for a visit overseas, knowing how to ask for a beer is right up there with being able to ask where the restroom ...more

B- 1:06
Curated last month by Howcast | Comments 0
Views 134

How To Measure a Room

Measure a Room

Depending on the purpose that you are measuring the room for, there are different measurements that need to be taken. For example, if you're ...more

C Article
Written 3 months ago by WikiHow | Comments 0
Views 92

How To Understand Angles

Understand Angles

angle Note that the most common unit of measuring angles is by degrees . This is notated by a small "o" figure written in superscript at the ...more

C Article
Written 4 months ago by WikiHow | Comments 0
Views 154

How To Become a Bible Geek

Become a Bible Geek

A Bible Geek knows the Bible like a Linux kernel hacker knows C, like an airline pilot knows how to fly, like a sports freak can quote ...more

C Article
Written 4 months ago by WikiHow | Comments 0
Views 166

How To Memorize Numbers

Memorize Numbers

The average person can hold a set of about seven digits in her working memory at any given time. Using the techniques below, however, you ...more

C Article
Written 4 months ago by WikiHow | Comments 0
Views 162

How To Remember Anything

Remember Anything

Everyone experiences times when they just can't seem to remember what they need to. Be it the first 50 digits of pi , the items on the ...more

C Article
Written 4 months ago by WikiHow | Comments 0
Views 49

How To Trace the Owner of a Phone Number

Trace the Owner of a Phone Number

If you're looking to reverse lookup the owner of a cellular or landline number in the US, below is some good advice and some steps you can ...more

C Article
Written 3 months ago by WikiHow | Comments 0
Views 1,325

How to build a circle for a cylinder tube in SolidWorks

Build a circle for a cylinder tube in SolidWorks

This lesson develops a circle that will be part of a cylinder ...more

C 5:01
Curated 1 year ago by Sclipo | Comments 0
Views 466

How to develop total cylindrical surface area in SolidWorks

Develop total cylindrical surface area in SolidWorks

This lesson develops the total surface area of a cylinder. Total ...more

C 2:33
Curated 1 year ago by Sclipo | Comments 0
Views 416

How To Sew a Cloth Gift Bag

Sew a Cloth Gift Bag

Cloth gift bags are easy to make and last longer than paper gift bags. The recipient will not only be flattered by the effort you put into ...more

C Article
Written 3 months ago by WikiHow | Comments 0
Views 742

How To Improve Your Memory

Improve Your Memory

Wouldn’t it be nice to just look at a page and never forget what was on there? What if you could never again forget a friend’s birthday? The ...more

C Article
Written 4 months ago by WikiHow | Comments 0
Views 1,111

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PI (16 How-Tos)

Creepy Crawler Ant Robot

Wow, this robot has incredible movement. "A-Pod is an ant inspired hexapod robot with a 2 DOF abdomen (tail), a 3 DOF head with large mandibles. 6 legs with 3 DOF each. Total 25 servos ...

Remote Control Your Lawn Mower

Time to make those lazy Sunday afternoons even lazier. Instructables member johndavid400 has posted a full HowTo on modding your lawn mower to operate via remote control. " ...How to make your ...

Why Buy a Car When You Can Build-It-Yourself?

BBC show Top Gear has built a homemade electric car in just 18 hours: the Hammerhead Eagle i-Thrust. According to Autocar,  "...the Hammerhead Eagle i-Thrust is a road legal car/shed that ...

Obama! Are You Eating that Chicken Wing Correctly?

Yes, there is a right way and a wrong way to eat a chicken wing. And yes, Obama likes chicken wings just like everybody else does. Here's how you do it, courtesy of Food Wishes (also, here's several ...

SPLAT! Art Made from Everyday Household Items

Tom Friedman. One of my very favorite contemporary artists. Friedman injects the wonder into the humdrum. He creates magic from the unsuspected with his incredible sculptures assembled from simple ...

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