Vtech PreComputer Power Pad Plus User Manual - Page 81

Advanced Functions

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Input 34 - 78 23 - 6 + 9 Display M=146 34-78 =-44 M=102 34-78_ = M=102 _ M=102 23-6+9 =26 M=76 23-6+9_ = ADVANCED FUNCTIONS The Calculator has special function keys located on the second and third rows of the keyboard. Always press the function key first when using it in a problem and then enter the numbers it is to operate on. Aim Operation Display Square root of a number 9 sqrt 9 = 3 Square of a number 3 sqr 3 = 9 The constant e to the power of the entered number. (e=2.718282) 2 exp 2 = 7.38906 LN function log 10 function 100 In 100 = 4.60517 100 log 100 = 2 77

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77
Input
Display
34 - 78
M=146
34-78
=-44
M=102
34-78_
=
M=102
_
23 - 6 + 9
M=102
23-6+9
=26
M=76
23-6+9_
=
ADVANCED FUNCTIONS
The
Calculator
has special function keys located on the second and third rows of the
keyboard.
Always press the function key first when using it in a problem and then enter
the numbers it is to operate on.
Aim
Operation
Display
Square root of a number
9
sqrt 9
= 3
Square of a number
3
sqr
3
= 9
The constant e to the power
2
exp
2
of the entered number.
= 7.38906
(e=2.718282)
LN function
100
In 100
= 4.60517
log 10 function
100
log 100
= 2