Hewlett Packard HP-35s Scientific Calculator - コンピューター - カバー付き

Hewlett Packard HP-35s Scientific Calculator, from 2007, in good working order with cover packaging, offering RPN or algebraic input, a two-line alphanumeric LCD, over 800 memory registers (26 directly labelled), scientific and statistical functions, decimal, binary, octal and hexadecimal modes, fractions, complex numbers and vectors, unit conversions and constants, and keystroke programmability with about 30 KB of memory for programs and data.