Why is the HP 15C so expensive?

A member of Hewlett-Packard Voyager series of programmable calculators, it was produced between 1982 and 1989. The calculator is able to handle complex numbers and matrix operations. Although out of production, its popularity has led to high prices on the used market.

Why are HP calculators so expensive?

HP sells a lot more of them! There are a lot more loan-officers and real-estate agents in the US than engineers. That model has been production for close to 30 years IIR, and still selling well. Edit: Compound interest and amortization calculations do not change over time.

How do you remove RPN from hp12c?

Calculator Resetting

  1. Press ON to turn off the calculator.
  2. Press and hold { – }.
  3. Press and release ON.
  4. Release { – }.
  5. The screen will display “Pr Error”
  6. Press {Enter} and the calculator will reset to the default settings, and the memory will be erased.

Which calculator is expensive?

1. Grillet portable Calculator ($155, 000) The world first portable calculator made in 17th century is considered the most expensive one.

What is the most expensive calculator?

The Five Most Expensive Calculators in the World

  • HP 19BII Financial Calculator – $299.
  • HP 32Sii Scientific Calculator – $700.
  • Wolfram Mathematica 9 – $2500.
  • HP 9100A – $4900.
  • Grillet Portable Calculator – $155,000.

How do I fix PR error on hp12c?

Resetting the calculator using the keyboard

  1. Press ON to turn off the calculator.
  2. Press and hold [ – ].
  3. Press and release ON.
  4. Release [ – ].
  5. The screen will display “Pr Error”
  6. The calculator will reset to the default settings, and the memory will be erased.

What does ALG mean on hp12c?

Introduction. The HP 12c Platinum calculator can be set to perform arithmetic operations in either RPN (Reverse Polish Notation) or ALG (Algebraic) mode.

When did the HP 15c calculator come out?

The HP-15C is a high-end scientific programmable calculator of Hewlett-Packard’s Voyager series produced between 1982 and 1989.

Is the HP 15c a replacement for the 34C?

Although out of production, its popularity has led to high prices on the used market. The HP-15C was a replacement for the HP-34C. The 15C used silicon on sapphire technology for its processor, resulting in very low power consumption. The rear side of a Hewlett Packard 15C.

Is there a clone of the HP 15c?

On 6 February 2012, SwissMicros (previously known as RPN-Calc) introduced a miniature clone named DM-15CC approximating the size of an ID-1 credit card (88 mm × 59 mm × 7 mm). It closely emulates the functionality of the original HP-15C by running the original ROM image in an emulator on an ARM Cortex-M0 -based NXP LPC1114 processor.

Is the HP 15c top of the line?

HP actually makes an 35s (their current top of the line scientific) and 15c (their classic favorite scientific) apps, although they are windows and iPhone only at the moment. I am not sure what the cost is.