Appendix

Function

 

 

 

Calculation range

Notes

ln x

1 10-99x < 1 10100

ln x = loge x

log x

 

 

 

 

 

 

 

 

 

 

 

 

x

-1

10

100

< x 230.2585092

.

e

 

e =. 2.71828...

10x

-1

10100

< x < 100

 

x-1

x < 1 10100

x 0

x2

x < 1 1050

 

x0 x < 1 10100

n!

-0.5 n 69.5

 

 

 

 

 

 

 

 

n is an integer or

 

 

 

 

 

 

 

 

integer + 0.5

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

When a > 0:

 

 

 

 

 

 

 

 

 

 

 

 

-1 10100 < b log a < 100

 

When a = 0:

 

 

 

 

 

 

 

 

 

 

 

ab (^)

0 < b < 1 10100

 

 

 

 

ab = 10b·log a

 

When a < 0:

 

 

 

 

 

 

 

 

 

 

 

 

b is an integer, or

1

is an odd number (b 0)

 

 

 

 

 

 

 

b

 

 

 

 

 

 

 

 

However, -1 10100 < b log a < 100

 

When b > 0:

 

 

 

 

 

 

 

 

 

 

 

 

-1 10100 <

1

 

log b < 100, a 0

 

a

 

 

 

 

 

 

 

 

 

 

 

 

 

 

When b = 0:

 

 

 

 

 

 

 

 

 

 

 

a b

0 < a < 1 10100

 

 

 

 

a b = 10

1

log b

 

When b < 0:

 

 

 

 

 

 

 

 

a

 

 

 

 

 

 

 

 

 

 

 

 

 

a is an odd number, or

 

1

 

is an integer (a 0)

 

 

a

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

However, -1 10100 <

 

1

 

log b < 100

 

 

a

 

 

 

 

 

 

 

 

 

 

 

 

nPr

0 r n 69

 

 

 

 

 

 

 

 

n and r are positive

nCr

 

 

 

 

 

 

 

 

integers

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Decimal:

x 9999999999

 

Binary:

1000000000000000 x

dec

 

 

 

 

 

 

 

 

 

 

 

1111111111111111

bin

 

 

 

0 x 0111111111111111

oct

Octal:

 

 

 

 

 

 

 

 

x is an integer

4000000000 x 7777777777

hex

 

 

 

0 x 3777777777

 

Hexadecimal: FDABF41C01 x FFFFFFFFFF

 

 

 

 

0 x 2540BE3FF

242

Page 252
Image 252
Sharp EL-9900 operation manual Function Calculation range ⋅ 10-99≤ x 1 ⋅ Ln x = loge Log

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.

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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.