apps / 529927583
RPN 28x Calc
Math can be fun.
tredje design · Productivity · $6.99 · US storefront
- rating
- 5.0 ★
- ratings
- 34
- updated
- Jul 1, 2023
- released
- May 31, 2012
v3.5.4
visible word pool · 7 words
title 12/30 chars · subtitle 16/30 chars
App Store search indexes the title and subtitle together with the hidden 100-character keyword field as one combined pool: any phrase assembled from those words can rank. These are the words of RPN 28x Calc's pool that are public — the keyword field is not exposed by any API.
from the listing
RPN 28x Calc is a programmable scientific calculator with a pleasingly classic look. Despite its nostalgic appearance, it offers a modern and intuitive user experience, allowing you to interact with your operands by touching them in the display. It is a reverse-polish notation (RPN) calculator with a dynamic stack display. As you add more values to the stack, the display shown on an iPad automatically expands. To see more lines, simply swipe to scroll. You can also re-order…
latest US reviews
★★★★★
Good but a few concerns
To nit pick, one of the keys is labeled HSM instead of HMS. Also, TAN of 45d doesn’t result in 1 but 0.99…. If they fixed these two, I’d give it 5. It reminds me of the calculator I had to close to 30 years.
— AVPra
★★★★★
Awesome!!
I had the original physical model and this is a faithful experience and I greatly enjoy using it every day. The best calculator by far!! Amazing thank you!!
— MontrealAdvebtures
★★★★★
I've been looking for a calculator app like this
I only recently discovered this app, so I'm just now digging into its very rich set of features. The Free42 & Plus42 calculators are amazing, but RPN 28x Calc shows what is possible when you ignore the "boundaries" that limit traditional calculators. I can't wait to learn more…
— InNaturalLight
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