Can you help me make rho and p look distinct in my handwriting?

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The discussion centers around differentiating the lowercase Greek letter rho (ρ) from the Latin letter p in handwriting, particularly in contexts like exponents where clarity is crucial. Participants share various techniques for distinguishing the two letters, such as altering the shape and stroke of rho to make it more rounded and slanty, while keeping p with a straight tail and a serif. Some suggest using a curly tail for rho or writing it at an angle, while others emphasize the importance of serifs to enhance differentiation. The conversation also touches on the broader issue of why certain Greek symbols resemble Latin letters, expressing frustration over the potential for confusion in mathematical notation. Additionally, there are light-hearted exchanges about humorous phrases in mathematics, particularly in different languages, showcasing the blend of technical discussion with personal anecdotes.
Just a nobody
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Does anyone have any handwriting suggestions to keep rho (lowercase) and p from looking too alike?

Currently, I differentiate them by making the top left corner of rho rounded and keeping the top left corner of p pointed. However, this isn't a very noticeable difference, especially when writing them small (e.g. in exponents).
 
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What is rho?
 
rho = \rho

It's often used to represent density and the radial component in spherical coordinates, among other things.
 
Hi Just a nobody ! :smile:

I write p with a straight tail, and ρ with a nice curly tail. :-p
 
Why do they choose Greek symbols that resemble our alphabet? There's plenty of others they can choose from that look unique. Or are they all already taken?
 
Just wait until you get to write such lovely expressions as

\mathbf{X} \times \mathbf{\chi}(x)
 
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as a teacher, I make sure my students make a difference between rho and p, just as they must make a difference between nu and v. The trick is with seriphs.

the rho is a single stroke, starting below the line going up, curving around and NOT quite contacting the stem.

the "p" begins with a seriph, then downstroke, then up and looping to make definite contact with the stem.

Similarly, the nu begins with a straight down line, then a back-curving up stroke and maybe even a small inward seriph. The "v" is a "v" ending with an outward seriph.
 
I always just made rho a lot more slanty, plus it's more curved because you start at the bottom of the stem and draw it all in one stroke. A p starts with a straight up and down line.
 
Moonbear said:
I always just made rho a lot more slanty, plus it's more curved because you start at the bottom of the stem and draw it all in one stroke. A p starts with a straight up and down line.

Yes, I also made mine slanty, and I also put a curly tail on it.
 
  • #10
I write my rhos backwards from you people. I start at the baseline, draw the circular part counter-clockwise, and then follow through to the descender. I usually make the descender fairly straight, althought sometimes it has a slight wave in it.

For p, I first make the vertical line, and then make the circle in a second stroke.
 
  • #11
Ben Niehoff said:
... you people. ...

What do you mean, "you people"?


:-p
 
  • #12
I put a reverse (to the left) tail hook on rho.
 
  • #13
I write rho at an angle, and leave a gap in the circle part of it close to the stem.
 
  • #14
The question of whether a letter is rho or p is N \rho complete
 
  • #15
I also use serifs. A p will have a serif on the descender. A nu will have a serif on the right stroke. If I have an upper case X and a Chi, the X will have a serif on the top right.
 
  • #16
yes! rho is kinda italic and rounded, and "p" has a point sticking out.

But SERIOUSLY why do they do this? For example use x, y, and lambda! you can esasily erase/add a little line to each, specially when theyre subs. it is also horrible to see a badly drawn sigma with a little curve sticking out and it looks like theta. oh! and also "sub" z or "sub" 2... or, a less common, when its marker on board, they just poke a little dot: "is it... multiplying or substracting?" :-p
 
  • #17
also, silly question, but are there any phrasings of mathematics in english that are funny? For example, I had a teacher that literally couldn't contain her laughter every single time she said "sin of theta", in spanish "seno de la teta" seno=boob teta=tit... she also laughed with "p2" =fart in spanish... there were others but i can't remember
 
  • #18
Never send a spanish teacher to do a mathematicians job!
 
  • #19
ρ or ρ vs p

My favorite Greek symbol is \xi followed by \zeta
 
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