Chapter 5: Advanced Calculations — Advanced Keyboard

08 (

(expression, initial value, end value [, increment])

 

Returns the cumula-

 

tive sum of a given

 

expression from an

 

initial value to an end

 

value in the specified

 

increment value (if

 

not specified, default increment is 1).

09 sec

sec value

 

Enters a secant

 

function to be used in

 

a trigonometric

 

expression.

10 csc

csc value

 

Enters a cosecant (cosec) function to be used in a

 

trigonometric expression.

11 cot

cot value

 

Enters a cotangent (cotan) function to be used in a

 

trigonometric expression.

12 sec-1

sec-1value

 

Enters an inverse

 

secant.

13 csc-1

csc-1value

 

Enters an inverse

 

cosecant.

14 cot-1

cot-1value

 

Enters an inverse cotangent.

15 sinh

sinh value

 

Enters a hyperbolic

 

sine.

16 cosh

cosh value

 

Enters a hyperbolic cosine.

17 tanh

tanh value

 

Enters a hyperbolic tangent.

72

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Image 82
Sharp EL-9900 ∑ expression, initial value, end value , increment, Sec value, Csc value, Cot value, Sec -1 value

EL-9900 specifications

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