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4-Character Significant Figure Display

Posted: Wed May 13, 2026 5:30 pm
by mechatimer
I built a compact 4-character numeric display for dashboards and control systems.

It displays positive numbers using 3–4 significant digits, automatically switching to metric prefixes as values increase.
To save space, the metric prefix (K, M, G) also acts as the decimal point location.

1234 → 1234
12K3 → 12.3K
1M45 → 1.45M
2G1 → 2.1G
sigFigDisplay.png
sigFigDisplay.png (234.82 KiB) Viewed 117 times
The goal was to make a display that is easy to read at a glance and still preserves useful precision.

Feedback and improvements are welcome!