DB50X
Christophe de Dinechin
Getting the latest details from the App Store…
Christophe de Dinechin
Getting the latest details from the App Store…
DB50X is a new high-precision scientific calculator inspired by the legendary HP50G series from Hewlett-Packard. It is not an emulator, but a redesign from scratch, which is faster, and delivers never seen before capabilities like computations in arbitrary precision. Like the original HP50G, DB48X supports an unlimited stack, RPN and algebraic operations, complex numbers, based numbers, vectors, matrices, text, symbolic computations, numerical solving and integration, graphing and plotting…
Top of Paid · Productivity in Germany. DB50X is #45 there. Changes are over 7 days.
How the app presents itself on the App Store. Select a screenshot to open it full size.
Version 0.9.19 · 25 May 2026 · 4 months ago
This release brings an improved constants library with Astronomy and Materials sections, the Quote command, GCD and LCM commands, and several other improvements. See release notes (https://github.com/c3d/db48x/releases/tag/v0.9.19) for details.
Every chart this app is in right now, best position first.
| Chart | Rank | 24 h | 7 days | Best | Days on chart |
|---|---|---|---|---|---|
Higher on the chart is better: #1 is at the top.
Their other apps that Appulse has seen in the charts, charting ones first.
| App | Best rank now | Released | App Store |
|---|---|---|---|
 DB48XProductivity | Paid · ProductivityGermany#47 |
| Germany· Paid · Productivity |
| #45 |
| New entry |
| Change unknown |
| #45 |
| 1 |
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Germany · Paid · Productivity: best #45, latest #45, over 3 snapshots since 8 Oct. No snapshots from 8 Oct to 9 Oct and on 9 Oct; the line joins the snapshots on either side.
Entries, big moves, #1s and new versions we've recorded.