Delta (letter) - Lower Case

Lower Case

The lower-case letter δ can be used to denote

• An infinitesimal change in the value of a variable in infinitesimal calculus
• An auxiliary function in Calculus used to rigorously define the limit or continuity of a given function.
• The Kronecker delta in mathematics
• The Dirac delta function in mathematics
• The boundary of a set is denoted by δA, where A is some set, in mathematics, specifically point-set topology
• The transition function in automata
• Deflection in engineering mechanics
• The Force of Interest in actuarial science
• The chemical shift of Nuclear Magnetic Resonance in chemistry
• The relative electronegativity of different atoms in a molecule, δ− being more electronegative than δ+
• Text requiring deletion in proofreading. The usage is said to date back to classical times
• In some of the manuscripts written by Dr. John Dee, the character of delta is used to represent Dee
• The Computer Science chapter at the Royal Institute of Technology
• Is a subunit of the F1 sector of the F-ATPase
• The declination of an object in the equatorial coordinate system of astronomy
• The dividend yield on the Black–Scholes option pricing formula
• Ratios of environmental isotopes, such as 18O/16O and D/1H from waters are displayed using delta notation - δ18O and δD, respectively
• The rate of depreciation of the aggregate capital stock of an economy in an exogenous growth model in macroeconomics.