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2. Solar-powered calculator - Wikipedia

   en.wikipedia.org/wiki/Solar-powered_calculator

   Solar-powered calculators are hand-held electronic calculators powered by solar cells mounted on the device. [1] They were introduced at the end of the 1970s. [2]Amorphous silicon has been used as a photovoltaic solar cell material for devices which require very little power, such as pocket calculators, because their lower performance compared to conventional crystalline silicon solar cells is ...

3. Curta - Wikipedia

   en.wikipedia.org/wiki/Curta

   A partially disassembled Curta calculator, showing the digit slides and the stepped drum behind them Curta Type I calculator, top view Curta Type I calculator, bottom view. The Curta is a hand-held mechanical calculator designed by Curt Herzstark. [1] It is known for its extremely compact design: a small cylinder that fits in the palm of the hand.

4. HP-65 - Wikipedia

   en.wikipedia.org/wiki/HP-65

   The HP-65 is the first magnetic card-programmable handheld calculator. Introduced by Hewlett-Packard in 1974 at an MSRP of $795 [1] (equivalent to $4,912 in 2023) [2], it featured nine storage registers and room for 100 keystroke instructions. It also included a magnetic card reader/writer to save and load programs.

5. Calculator - Wikipedia

   en.wikipedia.org/wiki/Calculator

   Made in Japan, this was also the first calculator to use an LED display, the first hand-held calculator to use a single integrated circuit (then proclaimed as a "calculator on a chip"), the Mostek MK6010, and the first electronic calculator to run off replaceable batteries. Using four AA-size cells the LE-120A measures 4.9 by 2.8 by 0.9 inches ...

6. 3 Best Grocery Price Comparison Apps To Help You Save - AOL

   www.aol.com/5-best-apps-comparing-grocery...

   Where to download the app: Google Play or the App Store. Final Take To GO. There are many different grocery price comparison apps you can use to save on everyday purchases. While some are centered ...

7. HP-41C - Wikipedia

   en.wikipedia.org/wiki/HP-41C

   The HP-41C series are programmable, expandable, continuous memory handheld RPN calculators made by Hewlett-Packard from 1979 to 1990. The original model, HP-41C, was the first of its kind to offer alphanumeric display capabilities. Later came the HP-41CV and HP-41CX, offering more memory and functionality.

8. I tried Walmart's $15 AirTag alternative, the Onn Item ... - AOL

   www.aol.com/lifestyle/onn-item-tracker-review...

   Verdict: Defective unit, back to Walmart with it. Unfortunately, the replacement fared even worse: Right out of the box, it failed. Although it emitted the initial "pairing beep," my phone simply ...

9. Scientific calculator - Wikipedia

   en.wikipedia.org/wiki/Scientific_calculator

   A scientific calculator is an electronic calculator, either desktop or handheld, designed to perform calculations using basic (addition, subtraction, multiplication, division) and advanced (trigonometric, hyperbolic, etc.) mathematical operations and functions.