Janus Calculator2.3 - App Store
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Publisher Description
Two-sided calculator. Side A uses Standard Notation, Side B uses Reverse Polish Notation. Both calculators are programmable, include various finance and scientific functions, and the values of 45 physical constants. Also includes a Black-Scholes option calculator, including calculation of implied values for each of the inputs.
Version History Update to IOS26 2.3 Apr 29 Updated to IOS15 2.2 12/12/2021 Bug fix for display in certain orientations 2.1 11/10/2018 Update to iOS 10.3, including 64-bit to eliminate "this will slow down your iPhone" messages.
Support for display in landscape.
Black-Scholes was working on Reverse Polish calculator but not Standard calculator. Now it works on both.
Fixed stack operation in RPN mode.
Other minor bug fixes.
"MEM" function to enable display of calculator's memory (to remind you what you saved in register 6, for example.)
Number display now includes commas.
Three assignable buttons for running programs.
Two new stats buttons - skewness of a distribution, and slope/intercept of a regression line. 2.0 07/20/2017 1.0 05/26/2010
About Janus Calculator
The company that develops Janus Calculator is Geoffrey Domm. The latest version released by its developer is 2.3.
To install Janus Calculator on your iOS device, just click the green Continue To App button above to start the installation process. The app is listed on our website since 2026-10-14 and was downloaded 0 times. We have already checked if the download link is safe, however for your own protection we recommend that you scan the downloaded app with your antivirus. Your antivirus may detect the Janus Calculator as malware if the download link is broken.
How to install Janus Calculator on your iOS device:
- Click on the Continue To App button on our website. This will redirect you to the App Store.
- Once the Janus Calculator is shown in the iTunes listing of your iOS device, you can start its download and installation. Tap on the GET button to the right of the app to start downloading it.
- If you are not logged-in the iOS appstore app, you'll be prompted for your your Apple ID and/or password.
- After Janus Calculator is downloaded, you'll see an INSTALL button to the right. Tap on it to start the actual installation of the iOS app.
- Once installation is finished you can tap on the OPEN button to start it. Its icon will also be added to your device home screen.
Program Details
System requirements
Download information
Pricing
Version History
version 2.3
posted on 2026-10-14
Version History Update to IOS26 2.3 Apr 29 Updated to IOS15 2.2 12/12/2021 Bug fix for display in certain orientations 2.1 11/10/2018 Update to iOS 10.3, including 64-bit to eliminate "this will slow down your iPhone" messages.
Support for display in landscape.
Black-Scholes was working on Reverse Polish calculator but not Standard calculator. Now it works on both.
Fixed stack operation in RPN mode.
Other minor bug fixes.
"MEM" function to enable display of calculator's memory (to remind you what you saved in register 6, for example.)
Number display now includes commas.
Three assignable buttons for running programs.
Two new stats buttons - skewness of a distribution, and slope/intercept of a regression line. 2.0 07/20/2017 1.0 05/26/2010
version 2.2
posted on 2021-12-12
Updated to IOS15
version 2.2
posted on 2021-12-12
Dec 12, 2021 Version 2.2
Updated to IOS15
version 2.1
posted on 2018-11-10
10 Nov 2018 Version 2.1
Bug fix for display in certain orientations
version 2.1
posted on 2018-11-10
Nov 10, 2018 Version 2.1
Bug fix for display in certain orientations
version 1.0
posted on 2010-05-26
version 2.1
posted on 1970-01-01
2018年11月10日 Version 2.1
Bug fix for display in certain orientations
Disclaimer
Official App Store Link
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