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04-09-2019
05:43 AM

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04-09-2019
06:29 AM

17 REPLIES 17

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04-09-2019
06:29 AM

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04-09-2019
07:53 AM

04-09-2019
07:53 AM

Re: How can I have Celcius not Kilvin on the X-axes of Prime plot

Thanks, Werner!

Same bag:

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04-09-2019
08:10 AM

04-09-2019
08:10 AM

Re: How can I have Celcius not Kelvin on the X-axes of Prime plot

The Kelvin and Rankine scales are absolute--they both start at absolute zero and are therefore a ratio. Centigrade (Celsius) and Fahrenheit scales have arbitrary (and different) zero reference points. Mathcad has to use functions for that conversion. If you look under units the the ribbon, you can select which units to plot with.

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04-09-2019
08:42 AM

04-09-2019
08:42 AM

Re: How can I have Celcius not Kelvin on the X-axes of Prime plot

Not all is fine in Mathcad 15 too

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04-09-2019
09:28 AM

04-09-2019
09:28 AM

Re: How can I have Celcius not Kelvin on the X-axes of Prime plot

Hi Fred!

Think we found a bug in Prime 5!

What you show was exactly what I tried first (and Valery sure did so, too) and it failed because we both used Prime 5.

It works OK in Prime 4 but throws an error in Prime 5!

So the bug was freshly introduced with Prime 5 (and we thought there would be no development of Prime any more ;-)

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04-10-2019
07:57 AM

04-10-2019
07:57 AM

Re: How can I have Celcius not Kelvin on the X-axes of Prime plot

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04-10-2019
08:09 AM

04-10-2019
08:09 AM

Re: How can I have Celcius not Kelvin on the X-axes of Prime plot

Maple has:

- Fahrenheit
- Celsius
- centigrade
- Reaumur
- Rankine
- Kelvin

But the 7 not the 6 is a fine number! Do you know 7-th temperature scale? I Know!

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04-10-2019
09:16 AM

04-10-2019
09:16 AM

Re: How can I have Celcius not Kelvin on the X-axes of Prime plot

@Werner_E wrote:

So the bug was freshly introduced with Prime 5 (and we thought there would be no development of Prime any more ;-)

And the beat goes on . . . .

I guess with the new fancy graphing utility the built-in graphs could be farmed out to the interns.

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04-10-2019
11:20 AM

04-10-2019
11:20 AM

Re: How can I have Celcius not Kelvin on the X-axes of Prime plot

First please explain the difference between 'Celsius' and 'centigrade' .

Luc

Luc

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