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Results tagged with calc
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user 14046
Calculator mode: Calculator major mode.
1
vote
Accepted
How to round on 2 decimals in org mode table using elisp?
You can use this function
(defun %.2f(x)
"..."
(/(round(*100x))100.0))
(%.2f 6.7690001) => 6.77
I'm not sure that the choice of the name of my function is so judicious...
- 2,273
3
votes
Accepted
Gnu CALC: vector/matrix concatenation in horizontal axis?
.
;; Original keys: v t TAB v t TAB |
Command: last-kbd-macro
Key: none
Macro:
v t ;; calc-transpose
TAB ;; calc-roll-down
v t ;; calc-transpose
TAB ;; calc-roll-down … | ;; calc-concat …
- 2,273
1
vote
How do I convert a `matrix` in one form to a `matrix` in another form (like `bmatrix` enviro...
I suggest you use Calc. You can set language mode to latex, temporarily by opening a Calc session, or permanently by saving the configuration in the calc.el file. … Enable calc-embedded when the point is on this formula
[1,2,3\\4,5,6\\7,8,9]
results in
\begin{pmatrix} 1 & 2 & 3 \\ 4 & 5 & 6 \\ 7 & 8 & 9 \end{pmatrix}
You must exit calc-embedded-mode to continue …
- 2,273
1
vote
Accepted
Is it possible to force calc to use the rules of ordinary algebraic calculus when the langua...
I evaluated the following form:
(put 'latex' math-oper-table (math-standard-ops))
then this one which evaluates the desired value:
(let ((calc-language 'latex))(calc-eval "1/2 + 1/4")); =>\frac{3} … To enable it by default, I put:
(with-eval-after-load 'calc-lang (put 'latex' math-oper-table (math-standard-ops)))
in my init file. …
- 2,273
5
votes
Accepted
Why is the vsum of remote cells wrong in org tables?
The argument of vsum has to be a vector, so use vsum([remote(TableA, @I$>), remote([TableB, @I$>)]) instead of vsum(remote(TableA, @I$>), remote(TableB, @I$>)).
Bonus
From your Org document, you can e …
- 2,273
0
votes
Accepted
is it possible to have a "calc embedded" indicator in doom-modeline?
Actually, there was an icon to indicate calc-embedded mode, but in the form of an inaudible Unicode character. … I installed the all-the-icons font from M-x all-the-icons-install-fonts and since then I have an icon indicating that I am in calc-embedded mode. …
- 2,273
1
vote
Complete a calculation ("2+3=...") inside a buffer
The expression to be evaluated must be a region containing an expression valid for the syntax of calc. … (defun evaluate-in-line (beg end)
"Evaluates the math expression from the region with calc syntax.
The expression can be ended with => or not." …
- 2,273
1
vote
How to compute ln in Org-Mode spreadsheet
You can either use the calc syntax or the elisp syntax.
| x | calc syntax | elisp syntax |
|---+-------------+--------------|
| 1 | 0 | 0.0000 |
| 2 | 0.6931 | 0.6931 |
#+TBLFM … (plist-put org-calc-default-modes 'calc-language 'latex)
(plist-put org-calc-default-modes 'calc-symbolic-mode t)
| x | calc syntax | elisp syntax | |
|---+-------------+--------------+---|
| 1 | 0 …
- 2,273
3
votes
Accepted
In Emacs Calc, how do I find the distance between two points (x1,y1) and (x2,y2)?
The calc-abs (A) function returns the absolute value of a complex number or the Euclidean norm of a vector. …
- 2,273