Scientific Calculator Keys

Rotate iPhone to landscape orientation to display the scientific calculator.

2nd

Changes the trigonometric buttons (sin, cos, tan, sinh, cosh, and tanh) to their inverse

 

functions (sin-1, cos-1, tan-1, sinh-1, cosh-1, and tanh-1). It also changes ln to log2, and ex to

 

2x. Tap 2nd again to return the buttons to their original functions.

 

 

(

Opens a parenthetical expression. Expressions can be nested.

 

 

)

Closes a parenthetical expression.

%Calculates percentages, adds markups, and subtracts discounts. To calculate a percentage, use it with the multiplication (x) key. For example, to calculate 8% of 500, enter

500 x 8 % = which returns 40.

To add a markup or subtract a discount, use it with the plus (+) or minus (–) key. For example, to compute the total cost of a $500 item with an 8% sales tax, enter 500 + 8 % =

which returns 540.

1/x

Returns the reciprocal of a value in decimal format.

 

 

x2

Squares a value.

x3

Cubes a value.

yx

Tap between values to raise the first value to the power of the second value.

 

For example, to compute 34, enter

 

3 yx 4 =

 

which returns 81.

 

 

x!

Calculates the factorial of a value.

Calculates the square root of a value.

xy

Use between values to calculate the x root of y. For example to compute 481, enter

 

81 xy 4 =

 

which returns 3.

 

 

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Chapter 18    Calculator

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Apple MB046LL/A, MC555LL/A, MB048LL/A, MB496SL/A, MB717LL/A, MB716LL/A, MB702LL/B, MB704LL/A Scientific Calculator Keys, 2nd