Exponential to Float (Getting ALL decimal numbers of Float)

Question

I need to get ALL decimal numbers possible, but I have a limit of 19 number char on the spinbox. Setting a static numbers on how many decimal places will be and setting a static number of decimals (setDecimals()) is not acceptable since the value I am getting is dynamic.

For example, I want to convert Hertz:

Hertz: 1.00 Megahertz: 1e-6 GigaHertz: 1e-9

I want it to be in this format: 1.00, 0.000006, 0.000000009,

Yes! Decimal places are dynamic.

This is the code for conversion (Value of dictionary is not yet finished):

conversion_formula = {'Hz': 1, 'kHz': 1e-3, 'MHz': 1e-6, 'GHz': 1e-9, 's': 1, 'ms': 1e-3, 'us': 1e-6, 'ns': 1e-9, 'V': 1, 'mV': 1e-3}

if FREQUENCY_UNIT_NAME == title or AMPLITUDE_UNIT_NAME == title:
    output_value = input_value * (conversion_formula[current_unit] / conversion_formula[base_unit])
elif title == TIME_UNIT_NAME:
    output_value = input_value * (conversion_formula[base_unit] / conversion_formula[current_unit])

1e-9 and 0.000000009 are the same number, just written in a different way. Are you asking how to `print` in one format or the other? — BlackBear, Jan 04 '19 at 07:42
in 0.000000009 format. Because when I print the number, it's in 1e-9 — Tenserflu, Jan 04 '19 at 07:43
All decimal places? Really? What if the value is e.g. π, or even something simpler, like 1/3? — zvone, Jan 04 '19 at 07:44
But the decimals will be set to max. As much as possible, I'm looking for value like (0.000076, 0.23, 0.000000000432) — Tenserflu, Jan 04 '19 at 07:57

score 1 · Accepted Answer · answered Jan 04 '19 at 09:09

1

The Python package to-precision does the job, as per this answer.

answered Jan 04 '19 at 09:09

Michael Gecht

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Exponential to Float (Getting ALL decimal numbers of Float)

1 Answers1