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Basic Calculations Chapter 2
uu
uu
u To specify the number of significant digits (Sci)
1. While the set-up screen is on the display, press 2 (Sci).
2. Press the function key that corresponds to the number of significant digits you
want to set (0 to 9).
• Press [ to display the next menu of numbers.
Example To specify three significant digits
2 (Sci)
4 (3)
Press the function key that corresponds to the number
of significant digits you want to specify.
• Displayed values are rounded off to the number of significant digits you specify.
• Specifying 0 makes the number of significant digits 10.
• A number of significant digit specification remains in effect until you change the
Norm Mode setting.
uu
uu
u To specify the exponential display range (Norm 1/Norm 2)
Press 3 (Norm) to switch between Norm 1 and Norm 2.
Norm 1: 10
–2
(0.01)>|x|, |x| >10
10
Norm 2: 10
–9
(0.000000001)>|x|, |x| >10
10
10. Scientific Function Calculations
Use the RUN Mode to perform calculations that involve trigonometric functions and
other types of scientific functions.
(1) Trigonometric Functions
Before performing a calculations that involves trigonometric functions, you should
first specify the default angle unit as degrees (°), radians (r), or grads (g).
kk
kk
k Setting the Default Angle Unit
The default angle unit for input values can be set using the set up screen. If you set
degrees (°) for example, inputting a value of 90 is automatically assumed to be 90°
The following shows the relationship between degrees, radians, and grads.
90° = π/2 radians = 100 grads
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