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GNU Emacs Calc 2.02 Manual

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## 7.10 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 section 4.5 Algebraic Entry).

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

`Alg*`
Total algebraic mode (m t).

`Symb`
Symbolic mode (m s; see section 7.4.5 Symbolic Mode).

`Matrix`
Matrix mode (m v; see section 7.4.6 Matrix and Scalar Modes).

`Matrixn`
Dimensioned matrix mode (C-u n m v).

`Scalar`
Scalar mode (m v; see section 7.4.6 Matrix and Scalar Modes).

`Polar`
Polar complex mode (m p; see section 7.4.2 Polar Mode).

`Frac`
Fraction mode (m f; see section 7.4.3 Fraction Mode).

`Inf`
Infinite mode (m i; see section 7.4.4 Infinite Mode).

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

`NoSimp`
Default simplifications off (m O; see section 7.5 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`

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

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

`Radixn`
Current radix is n (d r).

`Zero`

`Big`
Big language mode (d B; see section 7.8.1 Normal Language Modes).

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

`Unform`
Unformatted language mode (d U).

`C`
C language mode (d C; see section 7.8.2 C, FORTRAN, and Pascal Modes).

`Pascal`
Pascal language mode (d P).

`Fortran`
FORTRAN language mode (d F).

`TeX`
TeX language mode (d T; see section 7.8.3 TeX Language Mode).

`Eqn`
Eqn language mode (d E; see section 7.8.4 Eqn Language Mode).

`Math`
Mathematica language mode (d M; see section 7.8.5 Mathematica Language Mode).

`Maple`
Maple language mode (d W; see section 7.8.6 Maple Language Mode).

`Normn`
Normal float mode with n digits (d n; see section 7.7.3 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 <; see section 7.7.9 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; see section 7.8.1 Normal Language Modes).

`Wide`
No line breaking (d b).

`Break`
Selections show deep structure (j b; see section 11.1.1 Making Selections).

`Save`
Record modes in `~/.emacs' (m R; see section 7.1 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; see section 7.4.7 Automatic Recomputation).

`Graph`
GNUPLOT process is alive in background (see section 14. Graphics).

`Sel`
Top-of-stack has a selection (Embedded only; see section 11.1.1 Making Selections).

`Dirty`
The stack display may not be up-to-date (see section 7.7 Display Modes).

`Inv`
"Inverse" prefix was pressed (I; see section 7.3 Inverse and Hyperbolic Flags).

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

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

`Narrow`
Stack is truncated (d t; see section 7.7.8 Truncating the Stack).

In addition, the symbols `Active` and `~Active` can appear as minor modes on an Embedded buffer's mode line. See section 17. Embedded Mode.

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