.Dd May 12, 2019 .Dt BIT 1 .Os . .Sh NAME .Nm bit .Nd a calculator . .Sh SYNOPSIS .Nm . .Sh DESCRIPTION .Nm is an integer calculator. Its syntax resembles that of C, with the following additions: . .Bl -bullet .It Underscores are allowed in integer literals. .It The .Sy 0b prefix is used for binary literals. .It The .Sy -> operator is used for arithmetic shift. .It The postfix operators .Sy K , .Sy M , .Sy G , .Sy T are used as constant multipliers. .It The symbol .Sy _ is used to refer to the previous result. .El . .Sh SEE ALSO .Xr operator 7