Stokes Publishing MathMaster, Reference Manual

Page: 14 / 24

14
Change Sign Key
This key finds the opposite or additive
inverse of the displayed number.
To display the opposite of 5, press
5–
.
Display -5.
To display the opposite of 237, press
237–
. Display -237.
To display the opposite of 19, press
19–
. Display -19.
Notice that the negative sign floats depend-
ing on the number of digits.
Square Root Key
To find the square root of 49, press
49v
. Display 7
To find the square root of 12.25, press
12.25v
. Display 3.5
Press
x=
. Display 12.25
Fixing the Number of
Decimal Places
To change from a floating decimal mode to
a designated number of places, hold down
the decimal point key for three seconds. A
range, 0-7, and the
FIX
icon appears in the
display. Press 2 for two-decimal place mode;