A spiral defined in polar coordinates by the equation r2 = kθ. In the figure k = 1.
The parabolic spiral r2 = θ
nationalcurvebank.org An animation of a parabolic spiral.
- Robbins, Herbert Ellis (1917–2001)
- Robert I (1274–1329)
- Robert II (1316–90)
- Robert III (1337–1406)
- Robertson, John Monteath
- Robertson, Patricia (1963–2001)
- Robertson, Sir Robert
- Robertson–Walker metric
- Roberts, Richard
- Robespierre, Maximilien François Marie Isidore de (1758–94)
- robin
- Robin boundary condition
- Robinson, Julia (Hall Bowman) (1919–85)
- Robinson, Mary (1944)
- Robinson, Peter (David) (1948)
- Robinson, Sir Robert
- Robinson, Stephen Kern (1955– )
- robocanceller
- robomoderation
- robot
- robot arm
- robotics
- robotic spacecraft
- robotic vertigo
- Robots Exclusion Standard