Free42 icon

Free42

Thomas Okken
★ 4.7 (3,277 ratings)
⬇ 100,000+ downloads
Est. actual: 276,549
Free
Released: Apr 10, 2011
No in-app purchases
No ads

Signals

4 this week · 2 positive · 1 warning All of this week's signals →
  • 📈Last 7 days +203 installs — 16% slower than the week before (+241) · 26/day since Oct 9
  • 🏆Among Tools apps top 11% by installs gained this week (1167 peers growing)
  • ⭐Rating steady at ★ 4.74 since Oct 9
  • 🛠Updates actively updated · updated 2 days ago · every ~10 days (3 updates tracked)
Installs since launch
0 138K 277K 277K Apr 10, 2011 today
+869 installs · +1 ratings since Oct 9
Update history
3.5.3 Nov 11, 2026
In the programmable menu, pressing ▲ or ▼ if they hadn&#39;t been assigned would cause an Internal Error.<br><br>Some text handling fixes for Copy and Paste.<br><br>Functions invoked using direct XEQ mapping in skins now have fewer side effects.
3.5.1 Oct 31, 2026
Fixed a crash while handling nested lists.<br><br>Implemented RE, IM, and CONJ.<br><br>0=? and 0≠? now accept complex numbers, real and complex matrices, and lists.<br><br>X=? and X≠? now consider a and a+0i to be equal.<br><br>Note that these changes do not apply to X=0?, X≠0?, X=Y?, and X≠Y?, for the sake of HP-42S compatibility.<br><br>Be sure to check the Free42 web site for the 3.5 release no
3.4.1 Oct 22, 2026
PRTRACE fixes and improvements.

Free42 is a tools app by Thomas Okken with 100,000+ downloads (about 277K estimated). +203 installs in the last 7 days. Rated 4.7 from 3.3K ratings. Released Apr 10, 2011. Install growth, rank history, SDKs and ad networks.

From the store listing: “HP-42S Simulator: advanced scientific programmable RPN calculator.”