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5 / 12
56 ∪ 5 /12
To enter a mixed number, enter the integer part, press [ A
enter the numerator, press [ A
enter an improper fraction, enter the numerator, press [ A
enter the denominator. See Example 24.
During a fraction calculation, if the figure is reducible, a figure is
reduced to the lowest terms after pressing a function command
key ( [ + ], [ – ], [ x ] or [
b / c
d / e ], the displayed value will be converted to the improper
fraction and vice versa. See Example 25.
To convert between a decimal and fractional result, press [ 2nd ]
[ F
D ] and [ ENTER ]. See Example 26.
Calculations containing both fractions and decimals are calculated
in decimal format. See Example 27.
2–9
Angle Unit Conversion
The angle units ( DEG , RAD , GRAD ) is set by pressing [ DRG ] to
display the angle menu. The relation among the three angle units is :
Angle conversations ( See Example 28. ) :
1. Change the default angle settings to the units you want to
convert to.
2. Enter the value of the unit to convert.
3. Press [ DMS ] to display the menu. The units you can select
are ° (degrees),
(gradians) or
4. Choose the units you are converting from.
5. Press [ ENTER ] twice.
To convert an angle to DMS notation, select " DMS " which
converts an entry to DMS notations, i.e., where 1
represents 1 degrees, 30 minutes, 0 seconds. See Example 29.
To convert a DMS notation to decimal, select ° (degrees),
(minutes),
(seconds). See Example 30.
"
2–10
Trigonometric / Inverse-Tri. Functions
SRP-280 / SRP-285 provides standard trigonometric functions and
inverse trigonometric functions - sin, cos, tan, sin
See Example 31.
5
Display of
12
5
Display of 56
12
b
/
], and enter the denominator ; To
c
] ) or the [ = ] key. By pressing [ 2nd ] [ A
180 ° = π rad = 200 grad
(minutes),
'
DMS (Degrees-Minutes-Seconds).
E – 13
(seconds), r (radians), g
"
–1
, cos
b
/
],
c
b
/
], and
c
°
'
"
30
0
'
–1
–1
and tan
.
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