Saturday, Oct 17

GO-25 SciRPN

Steve Lidie

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Rankings updated 2 h ago

Current rank

#36 France · Paid · Utilities

Was: Not charting24 hours ago
Change: New entry
Best: #36in 24 hours

Price: €5.99
Rating: 5.0 out of 5
Ratings: 2France

Released: 20 Mar 201115 years ago
Last update: 4 months agoVersion 26.5.1
Requires: iOS 16.0 or later

Size: 19.1 MB
Languages: 1
Website: bigcatos.com (opens in a new tab)

GO-25 SciRPN simulates the venerable HP-25C Programmable Scientific Calculator from 1976. Virtually indistinguishable from the real item in operation, GO-25 is a powerful yet simple retro calculator. • RPN (Reverse Polish Notation) • 10-digit LED calculator display, 10-99 to 10+99 • Four stack registers with roll down • Ten storage registers with arithmetic memory operators • Math, trigonometric, polar/rectangular, sexagesimal/decimal, logarithmic, statistical, power and other miscellaneous…

Countries1In 1 chart right now

Best rank now#36 Paid · Utilities

Ratings, 7 days—Needs a week of rating history

Longest chart run1 day Paid · Utilities

Competitors

Top of Paid · Utilities in France. GO-25 SciRPN is #36 there. Changes are over 7 days.

#1 (number one)
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Store listing

How the app presents itself on the App Store. Select a screenshot to open it full size.

GO-25 SciRPN screenshot 1 of 10

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GO-25 SciRPN screenshot 9 of 10

GO-25 SciRPN screenshot 10 of 10

What's new

Version 26.5.1 · 11 Jun 2026 · 4 months ago

- Repair broken icon and update documentation. - Update to Apple OS versions 26.5.1.

Current rankings

Every chart this app is in right now, best position first.

GO-25 SciRPN chart positions
Chart	Rank	24 h	7 days	Best	Days on chart
France· Paid · Utilities · best #36 · 1 day	#36	New entry	Change unknown	#36	1

Rank history

Higher on the chart is better: #1 is at the top.

Sign in to see 30 days, 90 days and all history.

France · Paid · Utilities: best #36, latest #36, over 2 snapshots since 16 Oct.

Ranking events

Entries, big moves, #1s and new versions we've recorded.

Entered the Paid · Utilities chart at #36France2 h ago