Microcode-Level Emulation
The Emulators
Not simulations — cycle-accurate microcode emulation of the actual hardware that defined an era. Five legendary programmable calculators, faithfully reproduced for iPhone, iPad, and Mac.
HP-16C Computer Scientist
Microcode-level emulation of the Voyager-series HP-16C — the calculator built specifically for programmers. HEX, OCT, BIN, bit ops, all of it.
Open →HP-11C Programmable Scientific
Microcode-level emulation of the Voyager-series HP-11C — the everyday RPN scientific with trig, statistics, linear regression, and keystroke programming.
Open →HP-15C Advanced Scientific
Microcode-level emulation of the Voyager-series HP-15C — matrices, complex numbers, numerical integration, and root solving. Widely regarded as the finest scientific calculator ever made.
Open →Texas Instruments TI-59
The most accurate TI-59 programmable calculator emulator available — built on cycle-accurate microcode emulation.
Open →HP-41CX with Modules
The expandable HP-41CX with its rich ecosystem of plug-in modules — reproduced for modern Apple devices.
Open →