CURRENT I (A)
ACTIVE
RESISTANCE R (Ω)
TAP
VOLTAGE V (V)
AUTO
RESULT
AUTO
WORKING
—
—
—
—
—
—
—
PAGE 1/2
OHM’S LAW
V = I × R
I = V ÷ R
R = V ÷ I
UNITS
V in volts (V)
I in amps (A)
R in ohms (Ω)
EXAMPLES
I=2 R=6 → V=12
V=9 R=3 → I=3
V=10 I=2 → R=5
HOW TO USE
1) Pick the unknown at top
2) Tap a box to make it active
3) Use keypad • ENTER solves
4) Working appears on Page 1
KEYS
NEXT switches box
BS deletes • CLR clears
C resets • ENTER solves
I help • P back
NOTES
Inputs should be positive
0 causes division errors
PAGE 2/2
CURRENT I (A)
ACTIVE
RESISTANCE R (Ω)
TAP
VOLTAGE V (V)
AUTO
RESULT
AUTO
WORKING
—
—
—
—
—
—
—
PAGE 1/2
OHM’S LAW
V = I × R
I = V ÷ R
R = V ÷ I
EXAMPLE
I=2 R=6 → V=12
V=9 R=3 → I=3
USE
Pick unknown at top
Enter the other two
Press ENTER
KEYS
NEXT switches box
BS deletes • CLR clears
C resets • ENTER solves
PAGE 2/2