Appendix

CONV

48

CONV, MATH

74

Conversion

48

Conversion keys, fraction and decimal

36

Conversion, coordinates

74

COORD

26

COPY menu, programming

216

cos

42

cos-1X, TRIG

97

cosecant, CALC

72

cosh X, HYP

97

cosh, CALC

72

cosh-1X, HYP

97

cosh-1, CALC

73

cosine

68

cot-1

72

cotangent, CALC

72

csc-1

72

cumul, OPE

126, 137

cumulative matrix

126

CURR, SLIDE SHOW

118

Cursor

15, 16

Cursor appearance

16

Cursor key

6

Cursor navigation

17

CURSOR, FORMAT

96

D

 

d/dx(, CALC

71

Data list operation, statistics

159

days(, CALC

192

Debugging, program

219

Dec, ZOOM

54

Decimal (Real)

26

Decimal

49, 74

Decimal, NBASE

81

Decimal, SETUP

211

Default, ZOOM

54

Deg

25

Deg, SETUP

210

Degree

49, 74

Degree, angle

49

DEL key

6

DEL, SLIDE SHOW

119

Delete files

224

det, MATH

129

df_list, OPE

137

Differential, CALC

71

dim(, OPE

125, 136

DispG, SCRN

209

Display contrast, adjusting

3

Display screen

5

Display, clear the

11

DispT, SCRN

209

DISTRI menu, STAT

177

Distribution functions, statistics

177

Dot, FORMAT

212

DRAW

61

DRAW function

102

DRAW key

5

Draw, DRAW

107

DrawInv, DRAW

108

DrawOFF, ON/OFF

111

DrawON, ON/OFF

111

DRG

25

Derivative, CALC

71

E

 

EDIT, SLIDE SHOW

118

Editing mode

17

EDITOR

26

Else, BRNCH

214

End, PRGM

208

EndIf, BRNCH

214

Eng

25

Eng, SETUP

211

ENTER key

6, 33

ENTRY key

41

Equality

76

Equation

26

Equation method, SOLVER

194

Equation mode

17

Equation, recalling a

201

Equation, renaming a

200

Equation, saving a

200

EQVARS, VARS

217

Error codes

235

Error messages

28

Euler number

246

ex

69

ex, EXP

97

EXP, ZOOM

55, 97

Exponent

38

EXPRES, FORMAT

63, 95

ExprOFF, FORMAT

211

ExprON, FORMAT

211

266

Page 276
Image 276
Sharp EL-9900 operation manual 266

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.