Importance of a Pencil?

 This gets ugly.

Why... why would you use a pen for MATH -_-;;;;

I'm sorry to say this, but my opinion on using pens for math is utter failure. Even on tests.

One can't go about writing huge equation works in the later math courses without making a mistake. They are inevitable. Learn from mistakes, sure, but one'll be a lot less mistake-prone if there's less junk to confuse them.

A teacher out there or a peer will mistake some slashes as a fraction number or a different notation. That will be pretty costly.

You don't write gigantic equations without drafts ;X

I hate pencils, they smear, they make the paper look bad/horrible. They make any test look unprofessional. If you write wrong, use this.

Fun Fact: NASA spent billions of dollars to invent a pressurized, clean-delivering pen that could write in space when the astronauts were trying to take notes.

The Russians used pencils.

wat b dis:

There exists a common urban legend claiming that because a standard ballpoint pen would not work in zero gravity, NASA spent $11 million developing the zero-g capable Space Pen, with the humorous note that the Russians used a pencil. In fact, NASA programs have used pencils (for example a 1965 order of mechanical pencils) but because of the danger that a broken-off pencil tip poses in zero gravity and the flammable nature of the wood present in pencils a better solution was needed.

NASA never approached Paul Fisher to develop a pen, nor did Fisher receive any government funding for the pen's development. Fisher invented it independently, and then asked NASA to try it. After the introduction of the AG7 Space Pen, both the American and Soviet (later Russian) space agencies adopted it. Previously both the Russian and American astronauts used grease pencils and plastic slates.