sign function
71signum function — noun The function that determines the sign of a real number, yielding 1 if negative, +1 if positive, or otherwise zero …
72alternating function — noun Any function in which the interchange of two independent variables changes the sign of the dependent variable …
73kidney function test — A test in which blood or urine samples are checked for the amounts of certain substances released by the kidneys. A higher or lower than normal amount of a substance can be a sign that the kidneys are not working the way they should. Also called… …
74renal function test — A test in which blood or urine samples are checked for the amounts of certain substances released by the kidneys. A higher or lower than normal amount of a substance can be a sign that the kidneys are not working the way they should. Also called… …
75even function — noun : a function such that f(x)=f( x) where the value remains unchanged if the sign of the independent variable is reversed …
76liver function test — A blood test to measure the blood levels of certain substances released by the liver. A high or low level of certain substances can be a sign of liver disease …
77Absolute value — For the philosophical term, see Value (ethics). For the Akrobatik album, see Absolute Value (album). In mathematics, the absolute value (or modulus) |a| of a real number a is the numerical value of a without regard to its sign. So, for example,… …
78Quadratic equation — This article is about quadratic equations and solutions. For more general information about quadratic functions, see Quadratic function. For more information about quadratic polynomials, see Quadratic polynomial. In mathematics, a quadratic… …
79List of mathematics articles (S) — NOTOC S S duality S matrix S plane S transform S unit S.O.S. Mathematics SA subgroup Saccheri quadrilateral Sacks spiral Sacred geometry Saddle node bifurcation Saddle point Saddle surface Sadleirian Professor of Pure Mathematics Safe prime Safe… …
80Sine — For other uses, see Sine (disambiguation). Sine Basic features Parity odd Domain ( ∞,∞) Codomain [ 1,1] P …
