HomeAppsToolsFree42Apps like Free42 Here are some great alternatives to Free42 by Thomas Okken : Soft84 ★5.0 48sx, a vintage RPN calculator ★4.3 JRPN 16C ★4.7 Touch RPN Calculator ★3.7 TechCalc+ Calculator ★4.8 TechCalc Scientific Calculator ★4.6 Droid48 ★4.8 Scientific Calculator ★4.5 Extended emulator of МК 61/54 ★5.0 Scientific Calculator Plus ★4.9 JRPN 15C ★4.6 WRPN 16c ★4.0 RPN Plus Financial Calculator ★4.3 RPN9 ★4.4 Live 8085 - 8085 simulator ★4.8 Acron RPN Calculator ★4.2