Report updated Apr 28, 2026
DB40X
For engineers, scientists, and students requiring a high-performance, RPN-capable scientific calculator with advanced symbolic and numerical solving tools.
Overview · Full Intel report in progress
DB40X is an established productivity app that is completely free. With a 5.0/5 rating from 6 reviews, it shows polarized user reception.
What is DB40X?
Current Momentum
v0.9 · 1w ago
IntenseLast updated 10d ago. 5 versions tracked.
Competition
Rivals identification in progress
7-Day Rank Pulse 🇺🇸
ProductivityNo ranking data
Rating Pulse 🇺🇸
What makes this app unique?
What Does It Look Like?
What Are The Key Features?
Supports integer and decimal calculations with an arbitrarily large number of digits.
Includes symbolic computation, numerical solving, integration, statistics, and a library of physics and chemistry constants.
Supports an unlimited stack, complex numbers, vectors, matrices, and engineering units.
Features a high-resolution 240x400 graphical display with improved performance and memory efficiency compared to original hardware.
How much does it cost?
Who Built It?
Christophe de Dinechin
Modernizing high-performance Hewlett-Packard calculator workflows for engineers and power users on mobile and specialized hardware.
Portfolio
3
Apps
What other apps does Christophe de Dinechin make?
Explore the full Christophe de Dinechin report
Portfolio breakdown, audience, momentum, and every app published by Christophe de Dinechin.
Analysis in progress, available soon
What do users think recently?
Analysis in progress, available soon
View the full user-sentiment analysis
Mood gauge, ratings & review-volume history, every praise / complaint / request, and sentiment over time.
Analysis in progress, available soon
What is the competitive landscape for DB40X?
How's The Productivity Market?
Market outlook for this category
Available very soon
Strategic analysis coming soon
SWOT, key takeaways & outlook
The outtake for DB40X
Key Takeaways
DB40X provides a high-performance, modern software alternative to classic HP scientific calculators with expanded precision and functionality.
Where Is It Heading?
Trend analysis
Available very soon