Janus Calculator

Janus Calculator icon

Janus Calculator

Geoffrey Domm

AppRecs review analysis

AppRecs rating 2.0. Trustworthiness 63 out of 100. Review manipulation risk 27 out of 100. Based on a review sample analyzed.

★★☆☆☆

2.0

AppRecs Rating

Ratings breakdown

5 star

80%

4 star

0%

3 star

20%

2 star

0%

1 star

0%

What to know

Low review manipulation risk

27% review manipulation risk

Mixed user feedback

Average 2.0★ rating suggests room for improvement

About Janus Calculator

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.
Janus Calculator Screenshots
Screenshot 1Screenshot 2

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Reviews for Janus Calculator

Cheapskate01

Correction to previous review

The Janus Calculator appears to be a simulation of the HP-12C augmented with some HP-11C and the Black Scholes functions. Apparently, the current edition is best version; the earlier version is not worth downloading. However, the current version only works on iOS 10 or 11. Therefore, this will not work on earlier iOS devices (like iPad 2 or iPhone 4S). That is why I deduct two stars. Landscape mode makes the Janus Calculator resemble the HP-12C. Minor glitch, both iPhone SE and iPad Pro: "Flip" and "i" are not available in landscape mode. ("Flip" is how to switch between RPN and standard mode; "i" is access to help and other features). No stars deducted for this.

Melissa nadasdi

Amazing

So cool... My best friends daddy made this..... Hehe

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