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I vs R - What's the difference?

i | r |

As letters the difference between i and r

is that i is the letter i with an acute accent while r is the eighteenth letter of the.

As a symbol r is

roentgen (unit ).

i

Translingual

{{Basic Latin character info, previous=h, next=j, image= (wikipedia i)

Etymology 1

Lower case variation of upper case (I), from (etyl) letter .

Letter

  • The ninth letter of the .
  • The letter i with a tittle or dot above, in both the upper case and the lower case versions.

    • See also

    (Latn-script) Derived symbols * j * — IPA * — Turkish Similar and related symbols * — Greek * — Cyrillic I, used in Belarusian and Ukrainian * — Cyrillic palochka, used in the Caucasian languages * — Arabic (alif) * — Arabic numeral * — Cherokee (IPA: ??) (SAMPA: @~) * — Runic * — IPA

    Etymology 2

    * abbreviation of (imaginary) * abbreviation of (index)

    Symbol

    (Close front unrounded vowel) (head)
  • The imaginary unit; a fixed square root of -1. Graphically, i is shown on the vertical (y-axis) plane.
  • The current flow in a circuit in amperes.
  • A common variable name representing a generic index, especially in loops.
  • close front unrounded vowel.
    • Synonyms
    * j * j

    Etymology 3

    Lower case form of upper case roman numeral I, apparently derived from the shape of a notch scored across a tally stick.

    Alternative forms

    * I,

    Cardinal number

  • cardinal number one.

    • See also

    * Next: ii (2) *

    See also

    {{Letter , page=I , NATO=India , Morse=·· , Character=I9 , Braille=? }} Image:Latin I.png, Capital and lowercase versions of I , in normal and italic type Image:Fraktur letter I.png, Uppercase and lowercase I in Fraktur ----

    r

    Translingual

    {{Basic Latin character info, previous=q, next=s, image= (wikipedia r)

    Etymology 1

    Modification of capital letter R by not closing the bottom of the loop but continuing into the leg to save a pen stroke, later shortening the right leg into a simple arc.

    Letter

  • The eighteenth letter of the .
    • See also
    (Latn-script) * (select symbols) * (other scripts) Cyrillic * dog's letter

    Etymology 2

    Symbol

    (Alveolar trill) (head)
  • radius
  • alveolar trill
  • ).
  • #
  • #

    • Synonyms

    *

    See also

    {{Letter , page=R , NATO=Romeo , Morse=·–· , Character=R , Braille=? }} Image:Latin R.png, Capital and lowercase versions of R , in normal and italic type Image:Fraktur letter R.png, Uppercase and lowercase R in Fraktur ----