Exponential expression bug?

Exponential expression bug? - Messages

#1 Posted: 8/20/2009 4:51:18 PM
qev

qev

0 likes in 3 posts.

Group: User

Hi! I'm new to using SMath, and I've run into what might be a glitch.

This: [math]f(x):=x*10^-15[/math] won't calculate, giving an error "1E - not defined" for any value of x. Is this just a precision problem with variables in the program?
#2 Posted: 8/20/2009 6:09:07 PM
Radovan Omorjan

Radovan Omorjan

325 likes in 2052 posts.

Group: Moderator

Hello qev,

Wrote

Hi! I'm new to using SMath, and I've run into what might be a glitch.

This: [math]f(x):=x*10^-15[/math] won't calculate, giving an error "1E - not defined" for any value of x. Is this just a precision problem with variables in the program?


It seems it is corrected. This is from the SMath Live:
[LIVE width=216 height=257]http://smath.info/live/?file=590[/LIVE]
This is obtained from SMath-Live, inserting some expressions and copying the link from there into this post ("quote" this message and you will see it)
Play with it.

Regards,
Radovan

P.S. Pay attention on your Regional settings (see the posts about it). What is the decimal separator (point or comma) and what is the function argument separator (comma or semicolumn)
When Sisyphus climbed to the top of a hill, they said: "Wrong boulder!"
#3 Posted: 8/20/2009 10:39:51 PM
Andrey Ivashov

Andrey Ivashov

2270 likes in 3734 posts.

Group: Super Administrator

Wrote

Hi! I'm new to using SMath, and I've run into what might be a glitch.

This: [math]f(x):=x*10^-15[/math] won't calculate, giving an error "1E - not defined" for any value of x. Is this just a precision problem with variables in the program?



I remember this error. It was some time ago and it is fixed now. I just don't remember in what version it was fixed... so, if you are using the latest SMath Studio 0.82, then, please, tell me what version you need (Desktop/DesktopPortable/DesktopLinux/Handheld) and I will create fixed setup files for you.

Best regards, Andrey Ivashov.
#4 Posted: 8/21/2009 6:14:18 AM
qev

qev

0 likes in 3 posts.

Group: User

Wrote

Wrote

Hi! I'm new to using SMath, and I've run into what might be a glitch.

This: [math]f(x):=x*10^-15[/math] won't calculate, giving an error "1E - not defined" for any value of x. Is this just a precision problem with variables in the program?



I remember this error. It was some time ago and it is fixed now. I just don't remember in what version it was fixed... so, if you are using the latest SMath Studio 0.82, then, please, tell me what version you need (Desktop/DesktopPortable/DesktopLinux/Handheld) and I will create fixed setup files for you.

Best regards, Andrey Ivashov.


Oops, I should have mentioned what version I was using in my original post.

I'm using the Desktop version 0.82 build 3477, on WinXP SP3.

Thank you!
#5 Posted: 8/21/2009 7:44:19 PM
Andrey Ivashov

Andrey Ivashov

2270 likes in 3734 posts.

Group: Super Administrator

Sorry for waiting. Here is fixed versions:
SMathStudioDesktop.0_82_3520.Setup.msi (Standard Setup)
SMathStudioDesktop.0_82_3520.Portable.exe (Portable version)
BTW, this is pre-release version
#6 Posted: 8/26/2009 2:44:01 AM
qev

qev

0 likes in 3 posts.

Group: User

It works great! Thank you.
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