Is there a way to force the default answer format to be in decimal instead of funky fractions, requiring use of the "change" key?

I changed my EL-W516X to display decimals instead of fractions by changing it to Line View: Press 2ND F -> MATH (for SET UP) -> 2: EDITOR -> 1: LINE.

I can save mathematical formulas and equations in the calculator memory?

You can store four formulas in F1, F2, F3, F4. I have stored the quadratic formulas and the vertex formulas for a parabola, -B/2A, (4AC-B^2)/4A.

I bought this calculator but upon opening the package I found that the calculator wasn't coming on. Does anybody know how this can be fixed?

Before you return, try resting it by a window to charge the solar cells. I have found that if I don't use it for a while it may not come on until it gets a few minutes "in the sun". I think that it should not do that but after 10-15 minutes it was functioning, and for weeks.

Is this an rpn calculator? similar to hp35s

This Calculator (Sharp EL-W516TBSL) does not have RPN abilities. I don't know/ heard of a Sharp calculator having RPN abilities just HP's as of now. I have played and own different types of HP RPN calculators including HP35s, I think RPN is pretty cool and fun to use. I do have an older ver/ model of this Sharp calculator and does not have RPN. Hope this helps

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Sharp EL-W516TBSL Advanced Scientific Calculator with WriteView™ 4 Line Display & Solar Power

Product ID: 42260609

Details

Brand
Sharp
Calculator Type
Color
Black
Model Name
EL W516TBSL
Power Source
Solar Powered

📊640 functions for every calculation

🔆Twin-power solar + battery backup

🖥️4-line WriteView display

€ 50.09

Duties & taxes included

In stock

Sold byAmazon FinlandDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

📐 Elevate your calculations with precision and style—never miss a formula again!

POWER THAT LASTS - Solar-powered with battery backup means no interruptions during crunch time.
TEXTBOOK STYLE INPUT - WriteView display shows formulas exactly as in your notes, eliminating guesswork.
SLEEK DURABLE DESIGN - Matte black finish with silver accents—professional look that stands out in meetings.
MEMORY AT YOUR FINGERTIPS - 8 temporary and 3 definable memory buttons for seamless multi-step calculations.
VERSATILE CALCULATION MODES - 7 specialized modes including Matrix, Complex, and Statistics to master any problem.

The Sharp EL-W516TBSL is a professional-grade scientific calculator featuring a 4-line WriteView LCD display that presents calculations as they appear in textbooks. With 640 functions and 7 versatile modes, it supports a wide range of math and science disciplines. Its twin-power system ensures reliable use via solar energy with battery backup, all housed in a sleek, durable matte black design accented with silver.

Specifications

ASIN	B06XS6V17P
Best Sellers Rank	#52,428 in Office Products ( See Top 100 in Office Products ) #75 in Scientific Calculators
Brand	Sharp
Calculator Type	Engineering/Scientific
Color	Black
Compatible Devices	Most devices with necessary input and display capabilities (e.g., computers, laptops, calculators)
Customer Reviews	4.4 4.4 out of 5 stars (1,310)
Display Type	LCD
Enclosure Material	Plastic
Global Trade Identification Number	00074000019584
Item Dimensions L x W	6.6"L x 3.1"W
Item Weight	6.8 g
Manufacturer	Sharp
Mfr Part Number	ELW516TBSL
Model Name	EL W516TBSL
Model Number	ELW516TBSL
Number of Items	1
Power Source	Solar Powered
UPC	074000019584
Unit Count	1 Count

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