OFF • P•IC

F 2 0 A

OPERATING CONTROLS

ON POWER SWITCH; PRINT / ITEM COUNT MODE SELECTOR:

“OFF”:

Power OFF

“•”:

Power ON. Set to the non-print mode.

“P•IC”

Power ON. Set to the print and item count mode.

 

For addition or subtraction, each time + is pressed, 1 is added to

 

the item counter, and each time – is pressed, 1 is subtracted.

 

• The count is printed when the calculated result is obtained.

 

• Pressing of , C CE C CE clears the counter.

Note:

The counter has a maximum capacity of 3 digits (up to ±999). If the

 

count exceeds the maximum, the counter will recount from zero.

DECIMAL / ADD MODE SELECTOR:

“2,0”: Presets the number of decimal places in the answer.

“F”: The answer is displayed in the floating decimal system.

“A”: The decimal point in addition and subtraction entries is automatically positioned to the 2nd digit from the lowest digit of entry number. Use of the add mode permits addition and subtraction of numbers without entry of the decimal point. Use of , and will automatically override the add mode and decimally correct answers will be printed.

5/4

ROUNDING SELECTOR:

 

Set Decimal Selector to 2.

4 ÷ 9 = 0.444 ... , 5 ÷ 9 = 0.555 ...

 

4

9

5

9

 

 

 

 

 

5/4

 

0.44

 

0.56

 

 

0.44

 

0.55

 

 

 

 

 

#

Note: The decimal point floats during successive calculation by the use of or .

If the decimal selector is set to “F” then the answer is always rounded down ().

PAPER FEED KEY

NON-ADD / SUBTOTAL KEY:

2

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Sharp EL-1801E Operating Controls, On Power Switch Print / Item Count Mode Selector, Decimal / ADD Mode Selector

EL-1801E specifications

The Sharp EL-1801E is a highly regarded scientific calculator that has garnered attention for its exceptional features, robust build, and user-friendly interface. Designed for students, educators, and professionals alike, this calculator combines advanced technology with practicality, making it an ideal companion for a wide range of mathematical computations.

One of the defining characteristics of the EL-1801E is its comprehensive set of functions. With over 220 built-in functions, including advanced trigonometric, logarithmic, and statistical calculations, it caters to the needs of various users, from high school students to university scholars. This extensive functionality ensures that users can perform complex calculations without requiring additional tools.

The EL-1801E is equipped with a dual-line display, enabling users to view both the input and output simultaneously. This feature enhances the user experience, allowing for easy verification of calculations and improving overall efficiency. The display is designed to be clear and legible, even in low-light conditions, thanks to its backlit feature, which further contributes to its usability.

In terms of design, the Sharp EL-1801E boasts a slim profile, making it portable for on-the-go calculations. Its durable construction ensures that it can withstand the rigors of daily use, whether in a classroom or a professional setting. The calculator is powered by solar energy, supplemented by a battery, ensuring long-lasting performance and reducing the need for frequent battery changes.

Another noteworthy aspect of the EL-1801E is its memory capabilities. The calculator allows users to store and recall values, which is particularly beneficial when working with long calculations or when needing to reference previous results. This memory function is essential for those who frequently deal with repetitive calculations or complex equations.

Moreover, the EL-1801E comes with convenient features such as a fraction conversion, which simplifies the process of working with rational numbers. Its percentage calculations and constant functions offer added efficiency for users engaged in financial, statistical, or engineering-related tasks.

In summary, the Sharp EL-1801E scientific calculator stands out for its powerful functions, user-friendly display, and portability. Its advanced features, durable build, and energy-efficient design make it a reliable tool for anyone needing a versatile calculator, whether in education or professional environments. As technology continues to evolve, the EL-1801E remains a relevant and indispensable asset for precise mathematical calculations.