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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 ‘%*’ indicates that the buffer is “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; see Matrix Mode).
SqMatrix
Square Matrix mode (C-u m v; see Matrix Mode).
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; see Simplification Modes).
NumSimp
Default simplifications for numeric arguments only (m N).
BinSimpw
Binary-integer simplification mode; word size w (m B, b w).
BasicSimp
Basic simplification mode (m I).
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 and LaTeX Language Modes).
LaTeX
LaTeX language mode (d L; see TeX and LaTeX Language Modes).
Eqn
Eqn language mode (d E; see Eqn Language Mode).
Math
Mathematica language mode (d M; see 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 <; see 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 Normal Language Modes).
Wide
No line breaking (d b).
Break
Selections show deep structure (j b; see Making Selections).
Save
Record modes in ~/.emacs.d/calc.el (m R; see 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 Automatic Recomputation).
Graph
GNUPLOT process is alive in background (see Graphics).
Sel
Top-of-stack has a selection (Embedded only; see Making Selections).
Dirty
The stack display may not be up-to-date (see Display Modes).
Inv
“Inverse” prefix was pressed (I; see 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.