Features & Capabilities
User Growth & Download Statistics
App
- By:
- Halcyon Touch Software
- Rating:
- 4.70 (3)
4.70
- Version:
- 4.3 Last updated: 2026-05-06
- Version code:
- 885304592
- Creation date:
- 2010-12-15
- Compatible devices:
- Size:
- 13.13MB
- URLs:
- Website ,Privacy policy
- Full description:
- See detailed description
- Source:
- Apple Apps Store
- Data ingested on:
- 2026-06-04
- Compare stats and ranking:
- Halcyon Calc Lite vs Halcyon Calc
- Halcyon Calc Lite vs CalcQX LITE - the calculator
- Halcyon Calc Lite vs Calculator!
For Developers
Contact the developer
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User Reviews
Pros: look and acts like the hp 28s.
Cons: free version is too locked down to tell how well it works. I would have like to tried out other features, but that requires at least 1 upgrade possibly more. I could not tell for sure. I would pass on this one since I cannot tell how well it will work.
by bl*****, 2015-06-15
Just like the last reviewer, I had a HP 28S since 1989. It bit the dust last year. This is an exact replica! If you do not understand (RPN - Reverse Polish Notation) you will be confused like Phat Dude. Take some time to learn RPN, you will find it straight forward and easy to use.
by Mo*****, 2013-03-22
I've used my HP 28S for three decades. I'm thrilled to find an app that emulates this classic scientific calculator. I haven't used the app much yet, but I'm looking forward to testing its features.
by Tr*****, 2013-03-13
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