R+

R+ or R Plus may refer to:

• R+ tree, a data structure in computer science
• ${ℝ}^{+}$, the set of positive real numbers (or, depending on author, the set of non-negative real numbers)
• Positive reinforcement, in behavioural psychology
• Rammstein, German band
• R Plus (musician), pseudonym of music producer Rollo Armstrong
• Rocksmith +, a video game made by Ubisoft