NotGreater[x, y, ...] displays as x \[NotGreater] y \[NotGreater] ....
NotLess
(Built-in Mathematica Symbol) NotLess[x, y, ...] displays as x \[NotLess] y \[NotLess] ....
NotPrecedes[x, y, ...] displays as x \[NotPrecedes] y \[NotPrecedes] ....
NotSubset[x, y, ...] displays as x \[NotSubset] y \[NotSubset] ....
NotSucceeds[x, y, ...] displays as x \[NotSucceeds] y \[NotSucceeds] ....
NotSuperset[x, y, ...] displays as x \[NotSuperset] y \[NotSuperset] ....
NotTilde[x, y, ...] displays as x \[NotTilde] y \[NotTilde] ....
Throughout Mathematica there is support not only for approximate real numbers, but also for exact numbers represented in algebraic or symbolic form. Functions like Floor, ...
Mathematica provides various ways to set up conditionals, which specify that particular expressions should be evaluated only if certain conditions hold. Conditional ...
Some integer functions. The remainder on dividing 17 by 3. The integer part of 17/3.