My Math Forum How do you write the real number symbol?

 Elementary Math Fractions, Percentages, Word Problems, Equations, Inequations, Factorization, Expansion

 July 23rd, 2015, 10:03 AM #1 Senior Member   Joined: Dec 2012 From: Hong Kong Posts: 853 Thanks: 311 Math Focus: Stochastic processes, statistical inference, data mining, computational linguistics How do you write the real number symbol? I'm genuinely curious about this. How does one write the symbol denoting the set of real numbers on paper? Does one need to write two overlapping Rs? Thanks.
 July 23rd, 2015, 10:06 AM #2 Global Moderator     Joined: Nov 2006 From: UTC -5 Posts: 16,046 Thanks: 938 Math Focus: Number theory, computational mathematics, combinatorics, FOM, symbolic logic, TCS, algorithms Generally I write a normal capital R with an extra stroke to the left of the stem. Thanks from 123qwerty
 July 23rd, 2015, 05:15 PM #3 Global Moderator   Joined: May 2007 Posts: 6,680 Thanks: 658 There are no had and fast rules. Use whatever symbol you want, but make sure you define it first.
 July 23rd, 2015, 05:47 PM #4 Math Team   Joined: Jul 2011 From: Texas Posts: 2,815 Thanks: 1458 $\displaystyle \mathbb{R}$
 July 24th, 2015, 10:04 AM #5 Senior Member   Joined: Dec 2012 From: Hong Kong Posts: 853 Thanks: 311 Math Focus: Stochastic processes, statistical inference, data mining, computational linguistics Thanks guys. I'll go by CRGreathouse's method since it's easy to write that.
 July 24th, 2015, 03:38 PM #6 Senior Member   Joined: Jan 2014 From: The backwoods of Northern Ontario Posts: 390 Thanks: 70 It's even simpler to use a bolded R for the set of real numbers... just as a bolded Q is used for the set of rational numbers.
July 24th, 2015, 04:43 PM   #7
Senior Member

Joined: Nov 2010
From: Indonesia

Posts: 2,001
Thanks: 132

Math Focus: Trigonometry
Quote:
 Originally Posted by Timios It's even simpler to use a bolded R for the set of real numbers... just as a bolded Q is used for the set of rational numbers.
But when your writing style always looks bolded, it's hard to distinguish them.

July 27th, 2015, 06:47 PM   #8
Newbie

Joined: Jul 2015
From: greece

Posts: 2
Thanks: 0

Quote:
 Originally Posted by 123qwerty I'm genuinely curious about this. How does one write the symbol denoting the set of real numbers on paper? Does one need to write two overlapping Rs? Thanks.
The symbol for real numbers is R

July 27th, 2015, 08:21 PM   #9
Senior Member

Joined: Nov 2010
From: Indonesia

Posts: 2,001
Thanks: 132

Math Focus: Trigonometry
Quote:
 Originally Posted by KOSTAS NIKOLAKOPOULOS The symbol for real numbers is R
Isn't that the symbol for rational numbers?

 July 27th, 2015, 10:01 PM #10 Math Team   Joined: Nov 2014 From: Australia Posts: 689 Thanks: 244 Real numbers is $\mathbb{R}$. Rational numbers is $\mathbb{Q}$.

 Tags number, real, symbol, write

,

,

,

### real symbol

Click on a term to search for related topics.
 Thread Tools Display Modes Linear Mode

 Similar Threads Thread Thread Starter Forum Replies Last Post mick7 Number Theory 13 July 13th, 2015 11:08 PM jemes Algebra 4 November 26th, 2014 03:58 PM sebaflores Real Analysis 1 October 12th, 2013 12:20 PM ChloeG Algebra 3 May 18th, 2011 12:00 AM TsAmE Complex Analysis 1 October 18th, 2010 05:38 PM

 Contact - Home - Forums - Cryptocurrency Forum - Top