Abacus vs Free42
A side-by-side look at Abacus and Free42. For an in-depth review of either product, follow the links below.
Abacus
Office & Productivity
Abacus is an ancient calculating tool used for basic arithmetic. It consists of beads or stones that slide on rods or in grooves, allowing quick mental calculation.
calculatorarithmeticmath
Free42
Office & Productivity
Free42 is an open-source programmable calculator app designed to emulate the HP-42S calculator. It provides RPN mode, programming capability, expandability via packages, and accurate emulation of the original HP-42S.
emulatorrpnprogrammablehp42sopensource