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App Store Apps > Utilities > Calccis
App profile & analytics · Utilities · Data updated 2026-10-13
Calccis icon

Calccis

by Jukka Aittola · Free · Version 1.1.1
Availability On the App Store since April 2023 ↗
Rating on App Store
5.00/5
1 ratings
Rating
5.00
1 reviews
Best rank
–
not in the top lists
Last updated
December 15, 2025
1.1.1
AppBrain's verdict

It doesn't have enough ratings yet to judge what users think.

Calccis is made and published by Jukka Aittola. AppBrain is an independent app data site and isn't affiliated with Jukka Aittola. The app name, icon, screenshots and description belong to Jukka Aittola and are shown as published on the App Store.

About Calccis

Calccis is an utilities app developed by Jukka Aittola.

User Ratings

Calccis is rated 5.00 out of 5 stars. The rating is based on one rating ratings.

App Information

Calccis is freely available from the App Store. The app size is 669.00 kB. The latest version available is 1.1.1. The last update was on December 15, 2025.

Technical Requirements

The app has a content rating of Everyone. The app has been available on the App Store since April 2023.

Description by Jukka Aittola (from the App Store)
Calccis is a reverse polish notation (RPN) calculator.

It supports basic arithmetic, trigonometrical, logarithm and exponent calculations for real, fractional, and complex numbers. Degrees and radians can be used for trigonometrical functions. You can perform matrix calculations, too.

There is an undo stack, which supports undoing and redoing the 100 latest operations.

Calccis does not copy or mimic any existing physical calculators. However, the operation of the stack has been influenced by how the stack works in the 1990s Hewlett-Packard HP-48 family of calculators.
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Screenshots

Calccis Screenshot 1 of 1
Screenshots by Jukka Aittola, from the the App Store listing
Official page on the App Store

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Changelog of Calccis

No changelog data

Developer information for Jukka Aittola

Jukka Aittola

Address:

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Comments on Calccis for iOS

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App Store Rankings for Calccis

This app is not ranked

Technologies used by Calccis

Frequently asked questions about Calccis

Is Calccis free?

Yes. Calccis is free on the App Store.

Is Calccis still available?

Yes. Calccis is on the App Store, and the last update we saw was on December 15, 2025.

How large is Calccis?

Calccis is 669.00 kB.

Is Calccis suitable for children?

App Store rates the content of Calccis as suitable for everyone.

How do people rate Calccis?

Calccis has one rating of 5.00 stars on the App Store.

Who made Calccis?

Calccis was developed by Jukka Aittola. It is listed in the utilities category on the App Store.

What are the best alternatives to Calccis?

People looking at Calccis also look at these utilities apps: Wise Calc, bcRPN, ExtCalc, PrimeCalc - mod,prime factor, ThetaCalc.

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PrimeCalc - mod,prime factor icon PrimeCalc - mod,prime factor
ThetaCalc icon ThetaCalc
Rpn Calculator SW icon Rpn Calculator SW
Simple Calculator Multi-Screen icon Simple Calculator Multi-Screen
RPN Anywhere Lite icon RPN Anywhere Lite
Overview Alternatives Reviews Rankings Technology
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