Simulates a retro scientific calculator with RPN input. Features a 10-digit LED display, four stack registers, and a storage register. Includes math, trigonometric, and logarithmic functions. Displays results in polar/rectangular formats.
Calculate taxes with a dedicated tax button and grand total function. Display equations and results simultaneously on a double line interface. Round to two decimal places and correct mistakes easily. Email or copy tape entries for record keeping.
Pay for phone airtime, internet data, cable TV, electricity, and education fees. Transfer funds and subscribe to services. View history and manage multiple accounts.
