Perform complex calculations using 12 built-in calculators including scientific, financial, and unit conversion tools. Input formulas with three modes: standard, string, and RPN.
by CAT VIET SOFTWARE DEVELOPMENT & MEDIA JSC★ 4.7899 ratingsUtilities$1.99Data updated 2026-09-08
The app emulates the HP-67 RPN programmable calculator. It offers multiple active calculators, full memory visibility, and a paper tape register with various modes.
CALCULATOR provides basic arithmetic with history and memory functions. It includes scientific operations like trigonometry, logarithms, and exponents. Users can customize themes, adjust font sizes, and save frequently used equations.