Stuck on an issue?

Lightrun Answers was designed to reduce the constant googling that comes with debugging 3rd party libraries. It collects links to all the places you might be looking at while hunting down a tough bug.

And, if you’re still stuck at the end, we’re happy to hop on a call to see how we can help out.

Time units handled incorrectly

See original GitHub issue

Description

When using the Online IDE with Calcpad, time units (s, min, h, Hz) are not handled correctly. This makes calculations such as Rotations Per Minute quite prone to error.
A specific example is 1 / 1min = 1 h^-1 in calcpad. As well, the default units of multiplications of 1 min * 1 ms are h.

Screenshots

To Reproduce

I used the following to show unexpected bahaviour

t = 1min
1/t
t * 1 Hz
t_2 = 1 ms
1/t_2
t * t_2

Issue Analytics

State:
Created a year ago
Comments:5 (3 by maintainers)

Top GitHub Comments

1reaction

FifoIrontoncommented, Apr 19, 2022

Great to see the tool improving. Thanks!

1reaction

FifoIrontoncommented, Apr 18, 2022

Thanks for looking into this! I found another issue with time units when playing around:

I would expect this to give y=60 min^-1, rather than 60 s^-1

x = 1/s
y = x * 60 s / min

Top Results From Across the Web

Unit Mixups

Here are some incidents that involved confusion between units or systems of measurement. They vary in significance and seriousness, ...

I always wondered what if time is not as we measure it. ...

The problem is that the units of other quantities like length, mass, current etc. have no natural scale or value to compare to....

Time formatting and storage bugs

In computer science, time formatting and storage bugs are a class of software bugs that cause errors in time and date calculation or...

Dimensions, Units and Conversions

Dimensional Consistency. Dimensions and units must be handled consistently in any algebraic calculation. To be added, two quantities must have the same ...

Why of all units is Time standard?

Most likely because it wasn't until the modern era that anyone really needed, or could achieve, much precision with time measurements.