Physical constants

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Franck
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Hello,

Does physical constants as the speed of light, the Avogadro number and so on are recognized by Pi3 ?

Best regards
Franck

Franck
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This would be a nice feature.

Brad Larson
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Currently, no, I don't have support for physical constants. I wanted to integrate support for units on numbers first, because most of these constants (gas constant, speed of light, gravitational acceleration) have specific units associated with them. Placing them unitless within equations could cause problems for users working in a different unit system.

They will be integrated when I complete unit support within the application, which is my next big planned feature.

Paul
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Brad Larson wrote:
...could cause problems for users working in a different unit system.

What do you mean there's more than one unit system ;-) SI-Units are the only units.

Paul (from the UK, so I KNOW that's not true. I just wish it was)

Brad Larson
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You're lucky. About 80% of doing calculations in an American engineering college program is getting the units right. Most of the time, I'd convert all input units to SI, do the calculation, then convert the result to whatever weird non-SI units were expected. That's why I think this integrated unit conversion feature will save a lot of people a lot of time.

curtw
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I see this is a relatively old discussion. I would certainly be interested in a version of this program with units support! Would that be a free upgrade, so I could pay you now to incentivize the development work, or are you expecting to charge for that added feature, in which case I would wait....

Brad Larson
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Yeah, sorry about that. My work and, ironically, the iPhone development class that I'm teaching have slowed down my development efforts. I'm still working on unit support, but the next update will be focused on performance, a few new operations, and adding undo / redo capabilities.

Again, I apologize for the extreme delay.

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