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HP 48g Graphing Calculator User Manual

Page 196

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1. Enter the two time numbers in HMS format.

2. Press f^fTIME) [NXTj

in HMS format.

The time number returned is also

1. Enter the two time numbers in HMS format.

2. Press

1 (IMXT) HMS. . The time number returned is also

in HMS format.

16

1. Enter the date number onto the stack.

2. Enter the time number.
3. Press f^fTIME) (NXTI (IMXT 1 TSIR . A text string will be

returned showing the day of the week, the date (in current date

format) and the time (in the current time format).

1. Press fj^(TIME) T I CKS. System time is kept in “ticks” of the

clock. Each tick is 1/8192 of a second in duration. The total

number of ticks is reported as a binary integer. TICKS is useful for
measuring elapsed time, and can be converted into a standard time
number in either decimal or HMS format.

cc

tffji?: (siciiS) into

1. Enter the system time. It should be a binary number.

2.

Press

(MTHI SriSE Be-R to convert

the

system time to a

real

number.

3. Press 29491200 (£) to convert to decimal hours.

4. Press OEi ME) (NXT) -

s

-HMS to convert decimal hours to HMS

format.

ooic.n! ite e^sp.'ec' '’ine in smoorit.!

Press f^fTIME)

T

I CKS to start timing.

Press r i C K S to stop timing.
Press (SWAP)

Q

to get the elapsed time in clock ticks.

Press (

mth

I E FI S E B -i- R 8 1 9 2 0 to calculate the elapsed time

in seconds.

16-4 Date, Time and Fraction Arithmetic

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