| Date | Grid | Clue | Author |
|---|---|---|---|
| Sunday, May 12, 2013 | 6D | Arm bones (5) | David J. Kahn |
| Thursday, January 24, 2013 | 26A | Forearm bones (3) | Michael Shteyman |
| Tuesday, August 14, 2012 | 6D | Lines going out in all directions | Ian Livengood |
| Wednesday, August 8, 2012 | 61A | Spokes (6) | Peter A. Collins |
| Wednesday, October 20, 2010 | 62A | Circle measures | Finn Vigeland |
| Wednesday, November 4, 2009 | 29A | Straight edges of pizza slices, essentially | Ricky Ini Liu |
| Sunday, January 11, 2009 | 91D | Parts of forearms | David J. Kahn |
| Thursday, December 18, 2008 | 16A | They start in the middle | Michael Vuolo |
| Sunday, November 30, 2008 | 68D | r's, in math | Richard Silvestri |
| Thursday, June 26, 2008 | 19A | Circle lines | David J. Kahn |
| Saturday, March 1, 2008 | 48A | Cuts into a pie, often | Brendan Emmett Quigley |
| Wednesday, October 10, 2007 | 14A | Spokes, essentially | Robert Zimmerman |
| Sunday, September 9, 2007 | 33A | Hub-to-rim lines | Patrick Berry |
| Tuesday, December 5, 2006 | 43A | Forearm bones (3) | Kenneth J. Berniker |
| Sunday, September 10, 2006 | 90D | They meet in the middle (2) | Joe DiPietro |
| Thursday, August 31, 2006 | 51D | Projections from a central point | Patrick Merrell |
| Saturday, February 25, 2006 | 43A | Pie chart dividers | Henry Hook |
| Friday, November 25, 2005 | 45D | They have a central meeting place | Joe DiPietro |
| Wednesday, October 5, 2005 | 14A | State-named avenues in Washington, essentially | Nancy Salomon |
| Tuesday, September 28, 2004 | 11D | Pie chart lines | Nancy Kavanaugh |
| Tuesday, August 17, 2004 | 41D | Arm bones (5) | Gene Newman |
| Monday, July 5, 2004 | 11D | Hub projections | Patrick Merrell |
| Tuesday, May 18, 2004 | 53A | Spokes, e.g. | Elizabeth C. Gorski |
| Friday, August 15, 2003 | 43D | Geometry calculations | Jim Page |
| Tuesday, August 12, 2003 | 26D | Diameter halves | Adam Cohen |
| Saturday, March 16, 2002 | 5D | Angle producers | Verna Suit |
| Friday, December 21, 2001 | 58A | Spokes (6) | William I. Johnston |
| Thursday, August 16, 2001 | 27D | Arm bones (5) | Joe DiPietro |
| Thursday, November 2, 2000 | 40D | They meet in the middle (2) | Henry Hook |
| Monday, September 4, 2000 | 1A | Arm bones (5) | Elizabeth C. Gorski |
| Friday, August 18, 2000 | 51A | Rays | Patrick D. Berry |
| Sunday, July 30, 2000 | 35D | Sector sides | Randolph Ross |
| Tuesday, July 4, 2000 | 30D | r's, in geometry | Tyler Hinman |
| Sunday, May 21, 2000 | 62A | Pie cuts, essentially (2) | Matt Gaffney |
| Monday, January 24, 2000 | 31D | Forearm bones (3) | Randall J. Hartman |
| Thursday, April 22, 1999 | 27A | Arm bones (5) | David J. Kahn |
| Sunday, March 21, 1999 | 20A | Lines on sonar screens | Lloyd E. Pollet |
| Wednesday, December 30, 1998 | 31D | Spokes (6) | Manny Nosowsky |
| Sunday, September 13, 1998 | 79A | Semidiameters | Cathy Millhauser |
| Thursday, August 27, 1998 | 29D | Spoke more than once? | Henry Hook |
| Wednesday, April 22, 1998 | 12D | They form central angles | Brendan Emmett Quigley |
| Tuesday, February 10, 1998 | 30D | Wheel spokes, e.g. | John Greenman |
| Saturday, October 25, 1997 | 57A | Minute hands, essentially | John Scott Marrone |
| Sunday, August 10, 1997 | 153A | Math measurements | Nancy Nicholson Joline |
| Saturday, December 14, 1996 | 50D | Pie cuts, essentially (2) | R. Norris |
| Saturday, June 15, 1996 | 47A | Spokes (6) | R. Ross |
| Wednesday, March 6, 1996 | 17A | Spokes (6) | N. S. Ross |
| Friday, July 21, 1995 | 3D | Diameters halved | Matt Gaffney |
| Wednesday, November 30, 1994 | 44D | Arms of a sort | Joan Scott |
| Friday, January 7, 1994 | 51A | Spokes (6) | Fred Piscop |
39 results for RADII from older pre-Shortz puzzles.
| Date | Grid | Clue | Author | Editor |
|---|---|---|---|---|
| Wednesday, June 23, 1993 | 65A | Circle lines | Robert Herrig | Maleska |
| Sunday, June 20, 1993 | 57D | Armbones | Jan Hurschmann | Maleska |
| Friday, May 21, 1993 | 11D | Armbones | Tap Osborn | Maleska |
| Sunday, November 29, 1992 | 90A | Ulnas' neighbors | Charles E. Gersch | Maleska |
| Sunday, May 3, 1992 | 63D | Wheel spokes | Rosalind Pavane | Maleska |
| Monday, April 27, 1992 | 61A | Diameter halves | Nancy Joline | Maleska |
| Saturday, March 21, 1992 | 31D | Forelimb bones | Timothy S. Lewis | Maleska |
| Wednesday, December 18, 1991 | 14D | Circle dimensions | Betty Jorgensen | Maleska |
| Monday, December 16, 1991 | 26D | Half diameters | Albert J. Klaus | Maleska |
| Sunday, May 19, 1991 | 65D | Neighbors of ulnae | Ralph G. Beaman | Maleska |
| Sunday, February 3, 1991 | 2D | Spokes | Jeanne Wilson | Maleska |
| Thursday, October 25, 1990 | 16A | Forearm bones | Lois Sidway | Maleska |
| Thursday, October 18, 1990 | 15A | Scopes | Arthur W. Palmer | Maleska |
| Sunday, September 30, 1990 | 26D | Ulnae's neighbors | Nancy Nicholson Joline | Maleska |
| Friday, May 18, 1990 | 30D | Spokes | Michael A. Rampino | Maleska |
| Wednesday, October 18, 1989 | 11D | Spokes | Walter E. Heinemann | Maleska |
| Friday, December 16, 1988 | 37D | Spokes | Frances Hansen | Maleska |
| Monday, December 14, 1987 | 13A | Spokes of a circle | Albert J. Klaus | Maleska |
| Sunday, October 11, 1987 | 111A | Armbones | Alan Arbesfeld | Maleska |
| Tuesday, July 28, 1987 | 5A | Armbones | Elaine George | Maleska |
| Tuesday, July 21, 1987 | 22D | Diameter halves | Virginia L. Yates | Maleska |
| Thursday, June 18, 1987 | 53A | Forearm bones | Kenneth Witte | Maleska |
| Sunday, June 7, 1987 | 88A | Spokes | John R. Prosser | Maleska |
| Tuesday, March 3, 1987 | 14A | Diameter halves | Peter G. Snow | Maleska |
| Thursday, January 8, 1987 | 58A | Spokes | Irene Smullyan | Maleska |
| Thursday, January 1, 1987 | 53A | Spokes | Joy L. Wouk | Maleska |
| Monday, September 1, 1986 | 65A | Diameter parts | Jones | Maleska |
| Thursday, August 7, 1986 | 5D | Spokes | Lois Sidway | Maleska |
| Tuesday, June 24, 1986 | 15A | Spokes | H. Hastings Reddall | Maleska |
| Wednesday, March 12, 1986 | 11D | Rays | Rhonda Kraus | Maleska |
| Monday, January 20, 1986 | 30D | Circle lines | Joy L. Wouk | Maleska |
| Friday, June 7, 1985 | 3D | Circle parts | Gayle Dean | Maleska |
| Sunday, May 12, 1985 | 111D | Circle parts | Mary Virginia Orna | Maleska |
| Sunday, March 24, 1985 | 95D | They're found in circles | Robert H. Wolfe | Maleska |
| Sunday, March 10, 1985 | 66A | Armbones | Bert Rosenfield | Maleska |
| Monday, February 11, 1985 | 46D | Wheel spokes, e.g. | John Greenman | Maleska |
| Sunday, August 5, 1984 | 3D | Circle parts | Vaughn Keith | Maleska |
| Friday, November 11, 1983 | 22A | Semi-diameters | Ernst Theimer | Maleska |
| Sunday, May 15, 1983 | 53D | Parts of circles | Bert Rosenfield | Maleska |