Appendix

RclLD, L_DATA

143

Root

39, 70

RclPict, PICT

113

round(

44

RclWin, ZOOM

56

round(, NUM

73

Real part, COMPLX

79

Rounded value

44

real(, COMPLX

79

rowEF, MATH

129

Recall, variable

40

row_m.p.(, OPE

127

Recalling a equation

201

row_mult(, OPE

127

Rect

26

row_plus(, OPE

127

Rect, SETUP

210

row_swap(, OPE

127

Rectangular coordinate system, TABLE

99

rrowEF, MATH

129

Rectangular coordinate system, WINDOW

98

S

 

Rectangular coordinate, CURSOR

96

 

Rectangular coordinates

74

Saving a equation

200

RectCursor, FORMAT

211

Scatter diagram, Graph type

156

REG menu, STAT

160

Sci

25

Regression

145

Sci, SETUP

211

Regression calculation

160

Screen contrast, adjusting the

222

Regression function, using the

163

SCRN menu, programming

209

Rem, PRGM

208

sec-1

72

remain

46

secant, CALC

72

Remainder

46

Second, angle

49

Remainder, division

37

SELECT menu, OPTION

225

Renaming a equation

200

SELECT, SLIDE SHOW

118

Reset function, OPTION

227

Send, I/O

209

Reset switch

6, 29

Seq

26

RESET, OPTION menu

30

seq(, OPE

137

Resetting the calculator

29

Sequen, FORMAT

212

Residual list

165

Sequential coordinate system, TABLE

100

Return, BRNCH

216

Sequential coordinate system, WINDOW

98

Reversible Keyboard

ii

SET, SHADE

114

Rg_a+bx, REG

160

SetList, OPE

159

Rg_abx, REG

161

SETUP key

6, 24

Rg_aebx, REG

161

SETUP menu

25, 83

Rg_ax+b, REG

160

SETUP menu, programming

210

Rg_axb, REG

162

Sexagesimal

48

Rg_ln, REG

161

SHADE, DRAW

114

Rg_log, REG

161

Shade(, DRAW

107

Rg_logistic, REG

162

Simp key

35

Rg_sin, REG

162

SIMPLE

27

Rg_x-1, REG

162

simple interest

186

Rg_x2, REG

160

Simul, FORMAT

212

Rg_x3, REG

160

sin

42

Rg_x4, REG

161

sin-1X, TRIG

97

rndCoin

47

sine

68

rndDice

47

sinh X, HYP

97

rndInt(

46

sinh, CALC

72

rndInt(, PROB

74

sinh-1X, HYP

97

rnd_mat(, OPE

126

sinh-1, CALC

73

270

Page 280
Image 280
Sharp EL-9900 operation manual 270

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.