Time conversions – HP 33s User Manual
Page 76
4–12
Real–Number
Functions
R
C
R
X c
_36.5
o
77.8 ohms
θ
Keys:
Display:
Description:
{}
Sets Degrees mode.
36.5
^
. )
Enters
θ
, degrees of voltage lag.
77.8
) _ Enters
r
, ohms of total impedance.
| s
)
Calculates x, ohms resistance, R.
[
. )
Displays y, ohms reactance, X
C
.
For more sophisticated operations with vectors (addition, subtraction, cross
product, and dot product), refer to the "Vector Operations" program in chapter 15,
"Mathematics Programs".
Time Conversions
Values for time (in hours, H) or angles (in degrees, D) can be converted between a
decimal–fraction form (H.h or D.d) and a minutes–seconds form (H.MMSSss or
D.MMSSss
) using the
{ t
or
| u
keys.
To convert between decimal fractions and minutes–seconds:
1.
Key in the time or angle (in decimal form or minutes–seconds form) that you
want to convert.
2.
Press
| u
or
{ t
. The result is displayed.
Example:
Converting Time Formats.
How many minutes and seconds are there in 1/7 of an hour? Use FIX 6 display
format.
Keys:
Display:
Description:
{%} 6
Sets FIX 6 display format.
1
7
+ _
1/7 as a decimal fraction.