Battery Replacement, Specifications

BATTERY REPLACEMENT

Notes on Battery Replacement

Improper handling of batteries can cause electrolyte leakage or explosion. Be sure to observe the following handling rules:

•Replace both batteries at the same time.

•Do not mix new and old batteries.

•Make sure the new batteries are the correct type.

•When installing, orient each battery properly as indicated in the calculator.

•Batteries are factory-installed before shipment, and may be exhausted before they reach the service life stated in the specifications.

When to Replace the Batteries

If the display has poor contrast, the batteries require replace- ment.

Caution

•Fluid from a leaking battery accidentally entering an eye could result in serious injury. Should this occur, wash with clean water and immediately consult a doctor.

•Should fluid from a leaking battery come in contact with your skin or clothes, immediately wash with clean water.

•If the product is not to be used for some time, to avoid damage to the unit from leaking batteries, remove them and store in a safe place.

•Do not leave exhausted batteries inside the product.

•Do not fit partially used batteries, and be sure not to mix batteries of different types.

•Keep batteries out of the reach of children.

•Exhausted batteries left in the calculator may leak and damage the calculator.

•Explosion risk may be caused by incorrect handling.

•Do not throw batteries into a fire as they may explode.

Replacement Procedure

1.Turn the power off by pressing F.

2.Loosen both screws and remove the battery cover. (Fig. 1)

Fig. 1

Fig. 2

3.Remove the used batteries then replace with two fresh batteries with the positive sides (+) facing up. (Fig. 2)

4.Replace the battery cover and screws.

5.Press ª.

•Make sure that the display appears as shown below. If the display does not appear as shown, reinstall the batteries and check the display once again.

Automatic Power Off Function

This calculator will turn itself off to save battery power if no key is pressed for approximately 8 minutes.

SPECIFICATIONS

Calculations:	Scientific calculations, binary/octal/
	hexadecimal number calculations,
	complex number calculations, sta-
	tistical calculations, etc.
Internal calculations:	Mantissas of up to 10 digits
Pending operations:	4 calculations
Power source:	3V ¶(DC):
	Alkaline batteries (LR44) ⋅ 2
Power consumption:	0.0005 W
Operating time:	Approx. 3000 hours
	when continuously displaying 55555.
	at 25°C (77°F).
	Varies according to use and other
	factors.
Operating temperature:	0°C – 40°C (32°F – 104°F)
External dimensions:	78.6 mm (W) ⋅ 144 mm (D) ⋅ 11.6
	mm (H)
	3-3/32” (W) ⋅ 5-21/32” (D) ⋅ 15/32”
	(H)
Weight:	Approx. 75 g (0.17 lb)
	(Including batteries)
Accessories:	Batteries ⋅ 2 (installed), operation
	manual, quick reference card and
	hard case

FOR MORE INFORMATION ABOUT

SCIENTIFIC CALCULATOR

Visit our Web site.

http://sharp-world.com/calculator/

SHARP CORPORATION

EL-501W specifications

The Sharp EL-501W and EL-501WBBK are highly regarded scientific calculators that cater to a variety of users, from students to professionals. Renowned for their reliability and functionality, these calculators provide a range of features that make complex calculations quick and efficient.

One of the standout features of the EL-501W series is the Dual-Line Display. This allows users to view both the input and the result simultaneously, enhancing ease of use and preventing errors during calculations. The large, clear display makes it easy to read numbers, even in dimly lit environments, ensuring that users can work confidently.

The EL-501W is equipped with over 140 built-in functions. These functions cover a broad spectrum of mathematical disciplines, including algebra, trigonometry, and statistics. This extensive library makes the calculator suitable for various academic subjects and practical applications, such as engineering and finance.

One of the key technologies utilized in the EL-501W series is the ease of navigation through its user-friendly button layout. The well-organized keypad facilitates quick access to functions, making it an efficient tool in high-pressure situations such as exams or time-sensitive work tasks. Additionally, the calculator supports natural display, which enables the input and output of fractions, square roots, and other mathematical expressions in a format that students are familiar with from their coursework.

Energy efficiency is another area where the EL-501W excels. It runs on solar power supplemented by a battery, ensuring that it remains functional even in low-light conditions. This eco-friendly power option also enhances the lifespan of the device, making it a sustainable choice for users who demand longevity in their gadgets.

The EL-501WBBK variant comes in a sleek black design, appealing to those who prefer a modern aesthetic. Both models are compact and lightweight, allowing for easy transport between classes, workplaces, or study sessions.

In summary, the Sharp EL-501W and EL-501WBBK are sophisticated scientific calculators that combine essential features, advanced technology, and user-friendly design. With their extensive functionality and efficient operation, they make them ideal choices for anyone seeking reliable tools for mathematical calculations in educational and professional environments.