Go backward to Modes Variable. Go up to Mode Settings.

The Calc Mode Line
==================

This section is a summary of all symbols that can appear on the Calc
mode line, the highlighted bar that appears under the Calc stack
window (or under an editing window in Embedded Mode).

The basic mode line format is:

     --%%-Calc: 12 Deg OTHER MODES       (Calculator)

The `%%' is the Emacs symbol for "read-only"; it shows that regular
Emacs commands are not allowed to edit the stack buffer as if it were
text.

The word `Calc:' changes to `CalcEmbed:' if Embedded Mode is enabled.
The words after this describe the various Calc modes that are in
effect.

The first mode is always the current precision, an integer.  The
second mode is always the angular mode, either `Deg', `Rad', or `Hms'.

Here is a complete list of the remaining symbols that can appear on
the mode line:

`Alg'
     Algebraic mode (`m a'; See Algebraic Entry).

`Alg[('
     Incomplete algebraic mode (`C-u m a').

`Alg*'
     Total algebraic mode (`m t').

`Symb'
     Symbolic mode (`m s'; See Symbolic Mode).

`Matrix'
     Matrix mode (`m v'; See Matrix Mode).

`MatrixN'
     Dimensioned matrix mode (`C-u N m v').

`Scalar'
     Scalar mode (`m v'; See Matrix Mode).

`Polar'
     Polar complex mode (`m p'; See Polar Mode).

`Frac'
     Fraction mode (`m f'; See Fraction Mode).

`Inf'
     Infinite mode (`m i'; See Infinite Mode).

`+Inf'
     Positive infinite mode (`C-u 0 m i').

`NoSimp'
     Default simplifications off (`m O'; *Note Simplification
     Modes::).

`NumSimp'
     Default simplifications for numeric arguments only (`m N').

`BinSimpW'
     Binary-integer simplification mode; word size W (`m B', `b w').

`AlgSimp'
     Algebraic simplification mode (`m A').

`ExtSimp'
     Extended algebraic simplification mode (`m E').

`UnitSimp'
     Units simplification mode (`m U').

`Bin'
     Current radix is 2 (`d 2'; See Radix Modes).

`Oct'
     Current radix is 8 (`d 8').

`Hex'
     Current radix is 16 (`d 6').

`RadixN'
     Current radix is N (`d r').

`Zero'
     Leading zeros (`d z'; See Radix Modes).

`Big'
     Big language mode (`d B'; See Normal Language Modes).

`Flat'
     One-line normal language mode (`d O').

`Unform'
     Unformatted language mode (`d U').

`C'
     C language mode (`d C'; See C FORTRAN Pascal).

`Pascal'
     Pascal language mode (`d P').

`Fortran'
     FORTRAN language mode (`d F').

`TeX'
     TeX language mode (`d T'; See TeX Language Mode).

`Eqn'
     "Eqn" language mode (`d E'; See Eqn Language Mode).

`Math'
     Mathematica language mode (`d M'; *Note Mathematica Language
     Mode::).

`Maple'
     Maple language mode (`d W'; See Maple Language Mode).

`NormN'
     Normal float mode with N digits (`d n'; See Float Formats).

`FixN'
     Fixed point mode with N digits after the point (`d f').

`Sci'
     Scientific notation mode (`d s').

`SciN'
     Scientific notation with N digits (`d s').

`Eng'
     Engineering notation mode (`d e').

`EngN'
     Engineering notation with N digits (`d e').

`LeftN'
     Left-justified display indented by N (`d <'; *Note
     Justification::).

`Right'
     Right-justified display (`d >').

`RightN'
     Right-justified display with width N (`d >').

`Center'
     Centered display (`d =').

`CenterN'
     Centered display with center column N (`d =').

`WidN'
     Line breaking with width N (`d b'; *Note Normal Language
     Modes::).

`Wide'
     No line breaking (`d b').

`Break'
     Selections show deep structure (`j b'; *Note Making
     Selections::).

`Save'
     Record modes in `~/.emacs' (`m R'; *Note General Mode
     Commands::).

`Local'
     Record modes in Embedded buffer (`m R').

`LocEdit'
     Record modes as editing-only in Embedded buffer (`m R').

`LocPerm'
     Record modes as permanent-only in Embedded buffer (`m R').

`Global'
     Record modes as global in Embedded buffer (`m R').

`Manual'
     Automatic recomputation turned off (`m C'; *Note Automatic
     Recomputation::).

`Graph'
     GNUPLOT process is alive in background (See Graphics).

`Sel'
     Top-of-stack has a selection (Embedded only; *Note Making
     Selections::).

`Dirty'
     The stack display may not be up-to-date (See Display Modes).

`Inv'
     "Inverse" prefix was pressed (`I'; *Note Inverse and
     Hyperbolic::).

`Hyp'
     "Hyperbolic" prefix was pressed (`H').

`Keep'
     "Keep-arguments" prefix was pressed (`K').

`Narrow'
     Stack is truncated (`d t'; See Truncating the Stack).

In addition, the symbols `Active' and `~Active' can appear as minor
modes on an Embedded buffer's mode line.  See Embedded Mode.