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Hello hp¹s

In firmware 2021, we have a new PRINT2D command in math book print format. =]

A: PRINT2D does not work in CAS mode =(

Quote:PRINT2D Syntax:
PRINT2D(obj, [font], [color], flags)
PRINTED )
Prints either the result of expr or string to the terminal. The display will be done using textbook display

B: The tab symbol must be invisible in terminal view and visible in edit as ⇥

PHP Code:

    PRINT( "Hello\n\tworld \\ \" " ); //   Hello world \ "
    PRINT2D( "Hello\n\tworld \\ \" " );
    print( "Hello\n\tworld \\ \" " ); 

Basic escape characters work great in the code editor, but not yet in the history view =(

Test PRINT & PRINT2D cmds
HOME MODE:

PHP Code:

EXPORT print_cmds_home()
BEGIN
    PRINT(); // Clear terminal output
    PRINT( (50 - 5*6) / 4 ); // 5, evaluates, ok
    PRINT2D( (50 - 5*6) / 4 ); // 5, evaluates, ok
    PRINT( "\n" ); // new line, ok
    
    PRINT( quote(5 ^ 2) ); // 5^2, 1D without evaluating, ok
    PRINT( '5 ^ 2' ); // 5^2, 1D without evaluating, ok
    PRINT2D( quote(5 ^ 2) ); // 5² , 2D without evaluating, ok
    PRINT2D( '5 ^ 2' ); // 5² , 2D without evaluating, ok
    PRINT( 5 ^ 2 ); // 25, ok
    PRINT2D( 5 ^ 2 ); // 25, ok
    PRINT( "\n" );

    PRINT( '(50 - (5*6)) / 4' ); //     1D without evaluating, ok
    PRINT2D( '(50 - (5*6)) / 4' ); // 2D without evaluating, ok
    PRINT( "\n" );
    
    PRINT( "Hello\n\tworld \\ \" " );  //   Hello world \ "
    PRINT2D( "Hello\nworld" );
    PRINT( "\n" );

    PRINT2D( '17 / 3' ); // 17/3, rational division without evaluating, ok
    PRINT2D( 17 / 3 ); // 5.6666... , approximate value calculation, ok
    PRINT( "\n" );
    
    PRINT2D( 'floor(17 / 3)' ); // print as function floor(17 / 3), but ⌊ 17/3 ⌋ is real 2D mathbook print, 8970 (⌊) & 8971(⌋)    unicode char
    PRINT2D( floor(17 / 3) ); // 5, ok, floor division discards the fractional part
    PRINT( "\n" );
    
    PRINT2D( 'ceiling(17 / 3)' ); // print as ceiling(17 / 3), but ⌈ 17/3 ⌉ is real 2D mathbook print, 8968(⌈)/8969(⌉) unicode char
    PRINT2D( ceiling(17 / 3) ); // 6
    PRINT( "\n" );
    
    PRINT2D( '17 MOD 3' ); // 17 MOD 3
    PRINT2D( 17 MOD 3 ); // 2, ok, the MOD operator returns the remainder of the division
    PRINT( "\n" );
    
    PRINT2D( 'abs(3+4*i)' ); // | 3 + 4i |, ok
    PRINT2D( abs(3+4*i) ); // 5, ok
    PRINT( "\n" );

    RETURN( "Done" );
END; 

Test print (lowercase) cmd
CAS MODE:

PHP Code:

#cas
print_cmds_cas():=
BEGIN
    print(); // Clear terminal output
    print( (50 - 5*6) / 4 ); // 5, evaluates, ok
    print( (50 - 5*6) / 4 ); // 5, evaluates, ok
    print( "\n" ); // still not print new line =(
    
    print( string(quote(5 ^ 2) )); // "5^2", 1D without evaluating
    print( string('5 ^ 2') ); // "5^2", 1D without evaluating
    print( quote(5 ^ 2) ); // 5² , 2D without evaluating, ok
    print( '5 ^ 2' ); // 5² , 2D without evaluating, ok
    print( 5 ^ 2 ); // 25, ok
    print( 5 ^ 2 ); // 25, ok
    print( "\n" );

    print( string('(50 - (5*6)) / 4' )); //  1D without evaluating
    print( '(50 - (5*6)) / 4' ); // 2D without evaluating, ok
    print( "\n" );
    
    print( "Hello\n\tworld \\ \" " );  //   Hello world \ "
    print( "Hello\nworld" );
    print( "\n" );

    print( '17 / 3' ); // 17/3, rational division without evaluating, ok
    print( 17 / 3. ); // 5.6666... , approximate value calculation, ok
    print( "\n" );
    
    print( 'floor(17 / 3)' ); // print as function floor(17 / 3), but ⌊ 17/3 ⌋ is real 2D mathbook print, 8970 (⌊) & 8971(⌋)  unicode char
    print( floor(17 / 3) ); // 5, ok, floor division discards the fractional part
    print( "\n" );
    
    print( 'ceiling(17 / 3)' ); // print as ceiling(17 / 3), but ⌈ 17/3 ⌉ is real 2D mathbook print, 8968(⌈)/8969(⌉) unicode char
    print( ceiling(17 / 3) ); // 6
    print( "\n" );
    
    print( '17 MOD 3' ); // 17 MOD 3
    print( 17 MOD 3 ); // 2, ok, the MOD operator returns the remainder of the division
    print( "\n" );
    
    print( 'abs(3+4*i)' ); // | 3 + 4i |, ok
    print( abs(3+4*i) ); // 5, ok
    print( "\n" );

    RETURN( "Done" );
END;
#end 

output comparison between HOME and CAS
$[Image: print2d_hp_prime_2021_img00.png]$

Hello,

Unfortunately, I do not think that I will be able to do much about the print and CAS mode...
PPL/CAS integration can only go so far without doing a LOT of work...

As far as the "tab" goes, how many spaces would you like it to be? 2 or 4?

Cyrille

Hello,

Actually, I will just replace the tab with a single space...
Prime does not use a monospace font, so you should not be using tabs anyway :-)

_______ _ _ _ _
|__ __| | | | | | | | |
| | __ _| |__ ___ __| | ___ _ __ ___ | |_ __ _____ _ __| | __
| |/ _` | '_ \/ __| / _` |/ _ \ | '_ \ / _ \| __| \ \ /\ / / _ \| '__| |/ /
| | (_| | |_) \__ \ | (_| | (_) | | | | | (_) | |_ \ V V / (_) | | | <
|_|\__,_|_.__/|___/ \__,_|\___/ |_| |_|\___/ \__| \_/\_/ \___/|_| |_|\_\

Cyrille

Hello,

I have fixed the improper escape decoding...

Cyrille

(04-20-2021 06:27 AM)cyrille de brébisson Wrote: [ -> ]Hello,

I have fixed the improper escape decoding...

Cyrille

ok, now it prints fine only in Terminal View, but not in the History View display, and in the [Show] screen, because it prints a little box □.

Inside the code it is not convenient to show spaces, better a tab symbol and more when the code is python (tab character (#09h) as an arrow ↦ , ⇥ or this you can modify the text font by replacing the empty or box character □ with an arrow ⇥, because with white spaces it is difficult to determine the indentation

PHP Code:

EXPORT prg1()
BEGIN
    return "hello\n\tworld";
    
END; 

prg1() [enter] "hello\n\tworld" [up] [show] hello world

$[Image: print2d_hp_prime_2021_img02.png]$

(04-19-2021 01:35 PM)cyrille de brébisson Wrote: [ -> ]As far as the "tab" goes, how many spaces would you like it to be? 2 or 4?

Cyrille

Considering that a calculator has limited horizontal real-estate, I'd suggest that 'tab' spacing should be 2 characters.

Yes, I'm using 2 spaces in KhiCAS.

Hello
Mr parisse
Why in CAS mode QUOTE or '' it is not working?, that is, when printing it evaluates the expression

PHP Code:

PRINT2D( quote(5 ^ 2) ); // 5² , 2D without evaluating
    PRINT2D( '5 ^ 2' ); // 5² , 2D without evaluating 

PRINT2D is not a CAS command.

On the subject fonts in the Python text editor, I noticed that the Alpha status indicator in the top bar displays incorrect information. It shows the font as being capitalised when it's lower case and visa versa.

eval is a supercommand, an example with to print cmd
frn info: http://www-fourier.ujf-grenoble.fr/~pari...tml#sec338

In the following code you can see that to clean the screen I use
PRINT(); & Print;

print cmd without parentheses in CAS mode clears the screen, while at HOME it requires (), for this reason an improvement is that print() in CAS is interpreted as a clear screen, because when a code is executed any mode (CAS or HOME) works the same

PHP Code:

#cas
eval_cmd_cas():=
BEGIN
    PRINT(); print; // clear terminal view
    purge(r); purge(p); purge(q); purge(t); // purge(r,p,q,t);
    a:=1+i*r; 
    r:=p+1;
    p:=q;
    q:=t;
    t:=-4;
    print(a); // 1-3*i > 1+i*r > 1+i*(p+1) > 1+i*(q+1) > 1+i*(t+1) > 1+i*(-4+1) > 1-3*i
    print(eval(a,1)); // 1+i*r
    print(eval(a,2)); // 1+i*(p+1) 
    print(eval(a,3)); // 1+i*(q+1) 
    print(eval(a,4)); // 1+i*(t+1)
    print(eval(a,5)); // 1+i*(-4+1) > 1-3*i
     print(eval(a,0));        
    return "Done";
end;    
#end 

Another very useful improvement is that when placing a variable of the name of a CAS type function from the [var] menu, it automatically places an empty parenthesis as a suffix after the name of the program.
eval_cmd_cas> eval_cmd_cas()
The reason is that without parentheses it is considered as RCL or call of the content of the function and not as its execution.

Hi, the following code works fine from HOME mode, but not from CAS mode.

Note that it uses WAIT cmd, to stop printing, in the hp48 and 50 series it showed HALT at the top, this is important to know that the printing is paused, I think it is also important to place this message, it may be above the la current time
Thanks

PHP Code:

#cas
test_expr2Dprint_CAS():=
BEGIN
    local x,y;
    purge( f, g );
    PRINT(); print; // clear terminal view
    print( "2D printing, Press any key to continue" ); wait;
    print( "\n" );
    print( "Expr1:" );
    print( 'f(x) = x^3 - 2*x^2 + x -1' );
    f(x) := x^3 - 2*x^2 + x -1; wait;
    print( "\n\n" );

    print( "Expr2:" );
    print( 'f(x) | (x=y)' ); wait;
    print( 'x^3 - 2*x^2 + x -1 | (x=y)' ); wait;
    print( f(x) | (x=y) ); wait;
    print( "\n\n" );

    print( "Expr3:" );
    print( 'g(x) = 1/(x+3)' );
    g(x) := 1/(x+3); wait;
    print( "\n\n" );

    print( "Expr4:" );
    print( 'f( g(x) )' ); wait;
    print( 'x^3 - 2*x^2 + x -1 | ( x=g(x) )' ); wait;    
    print( 'x^3 - 2*x^2 + x -1 | ( x = 1/(x+3) )' ); wait;    
    print( f( g(x) ) ); wait;
    print( "\nsimplify:" );
    print( simplify( f(g(x)) ) ); wait;
    print( "\n\n" );

    print( "Expr5:" );
    print( 'g( f(x) )' ); wait;
    print( '1/(x+3) | (x=f(x))' ); wait;
    print( g( f(x) ) ); wait;
    print( "\nsimplify:" );
    print( simplify( g(f(x)) ) ); wait;

    print( "\nDone" );
    return "Done"

end; 

HOME mode
test_expr2Dprint_CAS() [enter] ok, but in the end it returns the source code, this is because the name of the program suppresses the parentheses

compsystems

cyrille de brébisson

cyrille de brébisson

cyrille de brébisson

compsystems

jonmoore

parisse

compsystems

parisse

jonmoore

compsystems

compsystems