Apple numbers User Manual

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Chapter 12
    Dictionary of Functions 
 
  
SINH
The SINH function calculates the hyperbolic sine of the specified number.
SINH(number)
 number:  Any number.
  
SLN
The SLN function calculates the straight-line depreciation of an asset during a period.
SLN(costsalvagelife)
 cost:  The original cost or value of the asset.
 salvage:  The salvage value of the asset.
 life:  The number of periods over which the depreciation is spread.
  
Examples
SIN(1) returns 0.841470985, the sine of 1 radian (approximately 57.3 degrees).
SIN(RADIANS(30)) returns 0.5, the sine of 30 degrees.
SIN(PI()/2) returns 1, the sine of PI/2 radians (90 degrees).
Examples
SINH(0) returns 0.
SINH(1) returns 1.175.
SINH(5) returns 74.203.
SINH(10) returns 11013.233.
Examples
SLN(10000, 1000, 6) returns $1500, the depreciation per year, in dollars, of an asset that originally costs 
$10,000 but is worth only $1,000 after 6 years.