HP 33s

HP 33s
Front view of the HP 33s
TypeProgrammable Scientific
ManufacturerHewlett-Packard
Introduced2003
Design firmKinpo Electronics
Cost40 USD
Calculator
Entry modeRPN, Infix
Precision15 digits ±499 exponent (internal)
Display typeLCD dot-matrix
Display size2×14 character
CPU
Processor6502
Programming
Programming language(s)RPN keystroke (fully merged, Turing complete)
User memory31 KB
Memory register4 stack registers, 1 LastX register, 6 statistics registers, 27 variables (A..Z, i)
Other
Power supply2× CR2032 batteries
Weight119 g
Dimensions158 × 83 × 16 mm

The HP 33s (F2216A) was a scientific calculator marketed by Hewlett-Packard. It was introduced in 2003 as the successor to the HP 32SII, and discontinued on the introduction of its successor, the HP 35s in 2007.