Hello all.

I was wondering if it's possible to add a feature that displays the result of an equation after its definition, for example:

A:= 5

x:= 3

y:= A*x = 15

That would remove a lot of duplication in creating a calculation sheet, although it might not seem so evident from the example (I had to keep it short as it's not an existing feature - to my knowledge).

Of course, if the feature already exists, can anyone point me out how to use it? Smath won't let me type the "equal" sign after I've defined a variable using ":=" in the same line.

Thanks for any response.

Regards.

By the way, wouldn't be useful a feature to display the same equation entered by the user but replacing variables with its current values ?
That would be handy to improve readibility of your documents as well as avoid errors in your calculations.
For example:
A:=5
x:=3
y:=A*x=5*3

Yes, there could be another equal sign to allow replication of the equation in the same way as the user entered the terms(same order) followed by the same expression replacing variables with their values. Taking the above example, imagine that you have A and X assignments and the equation definition scattered around your sheet, then you might want to recall the function definition followed by its particular expansion and finally the result of the calculation, something like this

A:=5
x:=3
y:=A*x

//further on to both explain and present results
y=A*x=5*3=15

Edit:

See my proposed implementation for user defined expansions

Edited by user 17 December 2012 14:13:32(UTC)  | Reason: Not specified

Radovan, thanks for your take on things. I am aware that "functionally" the equal sign is redundant. I am doing many acoustic and structural calculations where I have to "show my workings" as well as the results, and I was just thinking that, rather than add a new line (or box) to show the result of a calculation, being able to show the result at the end of the same calculation would make the calculation report more intelligible. It would also have the benefit of having one less box to reposition when you're reshuffling your calcs around, which I find annoying for two reasons:
1- If I move the definition further down, I lose the result, so I end up spending a lot of time reshuffling boxes rather than moving on with the calcs
2- If the definition uses fractions, powers, roots or integrals (all taller than a line of text), and I try to place the result in line with the definition, the alignment will always be off (unless the unit is also taller than a single line of text).

At the moment I am using the very workaround that you suggested, but I am hoping that eventually the feature can be added to make the calcs look more "human" (i.e. resembling what a normally hand-written calculation would look like).

Just my thoughts.

Andrey,

I just got back in front of my computer, so I can only answer now.
Thanks for the update. Apologies if my post was a repeat request: the forum goes back a long way and I might have missed it. I look forward to future development, but there's no doubt that it's a great piece of work you've created.

Regards.

Hi!

This would be a great feature! Im doing calculations, and when I show them to people they find it hard to follow the equations. If there would be a funktion for showing the equation and the values - eg "Z:=A+B=10+7=17" - I would be extremly grateful!

Regards
Andreas

Yes, exactly like your request. The idea of being able to choose the depht level in a menu like you says would be awesome.