Nixie Calculator brings a unique blend of vintage display technology and modern features to your iPhone. The app features a paper tape that displays your entries, allowing for easy copying and sharing. Additionally, users can take advantage of the copy and paste functionality for quick input tasks.

Dive into the settings to customize your experience with various color schemes, color layouts (available through in-app purchase), rounding options, and exponential modes. You can also opt for the classic Nixie font display, embedded separators with digits, classic pyramid, illuminated thousand separators, and a classic red filter for a personalized touch. The calculator operates as a rounding or truncating type to accommodate numbers within the fixed display.