CASIO

TWO WAY POWER

−MKTAX+

0

10DIGITS

SL-315TV

RATE SET

Casio Calculator with H/M/S Function

Professional time and angle calculator for astrologers, astronomers, and anyone working with time calculations. Convert between decimal hours and Hours-Minutes-Seconds format instantly.

Compatible Casio Calculator Models with H/M/S Support

SL-315TV

10-digit, dual power

SL-310TV

10-digit, solar

SL-320TV

10-digit, tax calc

HL-820LV

8-digit, large display

HL-820V

8-digit, handheld

SL-300SV

8-digit, slim design

These calculators are essential tools for astrologers performing birth chart calculations, astronomers tracking celestial coordinates, surveyors measuring angles, and professionals working with time-based calculations in degrees, minutes, and seconds format.

How to Use the H/M/S Function

Step 1: Enter the hours (e.g., 15)

Step 2: Press H/M/S to enter minutes mode. Display shows: 15- ' "

Step 3: Enter minutes (e.g., 30). Display shows: 15-30' "

Step 4: Press H/M/S to enter seconds mode

Step 5: Enter seconds (e.g., 45). Display shows: 15-30'45"

Step 6: Press H/M/S to convert to decimal hours (15.5125)

Step 7: Perform calculations in decimal mode, then press H/M/S to view result in H-M-S format

Perfect for calculating planetary positions, house cusps, aspect angles, and time-based astrological calculations.