Sharp EL-9900 manual Display of luminous intensity

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EL-9900 Graphing Calculator

Exercise

(1)Find the luminous intensity of the luminous source of distance 10m, angle 60˚ and illuminance 20 lux.

(2)Find the illuminance of the illuminated side of distance 10m, angle 60˚ and luminous intensity 4000 candela.

Set up condition: decimal point in Float Pt Mode.

2ndF SET UP C 1 CL

Step

Specify the programme mode. Select the title CAND LUX.

Select calculation of luminous intensity.

Enter the values of distance, angle, and illuminance.

(Display of luminous intensity)

Select calculation of illuminance. Enter the values of distance, angle, and luminous intensity.

(Display of illuminance)

Key Operation

Display

PRGM A

1 ENTER

1 0 ENTER 6 0 ENTER

2 0 ENTER

ENTER 2 ENTER

1 0 ENTER

6 0 ENTER

4 0 0 0 ENTER

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Contents EL-9900 Contents ⎟ keys Creating a new programmeExecute Sending programmes from a PCClick on the OK button Follow the instructionsNesting Syntax Syntax error found in equation/programme CalculateFinancial calculation error found Operation break specified Layout Herons Formula = D D a D B D C = a + B + C= W Sin a Sin B= W Sin B Print T Print S= EndTension T is 21.840kg Label Start ClrT Print Select 1 or 2 Input S StartSelection of type Entry of initial Value and involute valueEnter the initial value and the involute value Calculating Illuminance and Luminous Intensity Entry of distance and angle ReturnDisplay of luminous intensity Start Entry of period and amplitude Displacement x = a + sin ωVelocity v = a + ω + cos ω Rad Print Input PeriodSpecify the programme mode Print WATT= Print Z Wait Xmin End Ymin Draw N M sin WDisplay of value power = I + ≤ MInner product Enter the values of vectors Symmetric transformation to x-axis Case Symmetric transformation to y-axis CaseSelect the title Line TRN Substitution Entry of number of divisions Setting of calculation range+ ... + Xi + ... Xi+M-1 Gosub CountParameters Setting of coordinates of line Display of line = I + End Start Graph plotEnter the value for pressure Calculation of step Gosub Start Entry of data Initial settingGosub Calculation of step = JSimilar operation is performed hereafter Analysis of variance chart of one-way layout method Select the title Variance Enter the statistical data Entry of released angle = V 0 cos θ = V 0 sin θCalculation and display from released angle 45ß Calculation Plotting of graph = D + T/100 ≤ T Entry of timeEnter the angle value Key pad for the Sharp EL-9900 Calculator Key pad for the Sharp EL-9900 Calculator Introduction and Calculation Parameters Programme List Sharp Corporation OSAKA,JAPAN

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EL-9900 specifications

The Sharp EL-9900 is a remarkable scientific calculator that exhibits a fusion of advanced features, cutting-edge technology, and an ergonomic design tailored for both students and professionals. One of the standout characteristics of the EL-9900 is its extensive range of functions, boasting over 550 built-in calculations that cover various mathematical and scientific disciplines. This calculator is particularly popular among engineering and physics students due to its ability to handle complex calculations with ease.

One of the key features of the EL-9900 is its 2-line display, which allows users to view both the input and the result simultaneously. This dual display enhances usability, especially when dealing with intermediate steps in calculations. The calculator also includes a built-in 12-digit LCD screen, which ensures clarity and precision in reading numbers, making it easier for users to work for extended periods without straining their eyes.

The EL-9900 is equipped with a wide array of mathematical functions, including trigonometric, logarithmic, and exponential functions. Notably, it supports fraction calculations, statistical analyses, and unit conversions. Its advanced programming capabilities, such as 36 programmable functions and the ability to store data, further enhance its functionality, allowing users to create custom calculations tailored to specific needs.

One of the more modern technologies incorporated into the EL-9900 is its solar-powered function, which is complemented by a battery backup, ensuring that the device remains operable in varied lighting conditions. This environmentally friendly design reduces the need for frequent battery replacements, making it a cost-effective choice for users.

In terms of design, the Sharp EL-9900 boasts a slim profile and lightweight construction, which makes it portable and easy to carry. Its durable casing ensures that it can withstand the rigors of daily use, whether in a classroom setting or a professional environment.

Overall, the Sharp EL-9900 stands out as a versatile scientific calculator packed with features designed to meet the needs of students and professionals alike. Its robust functionality, clear display, and user-friendly design make it a reliable tool for anyone engaged in mathematical and scientific pursuits. Whether used for basic calculations or advanced problem-solving, the EL-9900 remains a powerhouse in the realm of scientific calculators.