(15C) Parallel Resistance, two resistors

[Thomas Klemm]

(08-26-2023 02:18 PM)J-F Garnier Wrote:     Req=R1/(1+R1/R2)

Nice. With this formula we can make it even shorter:

R1
ENTER ENTER
R2

---

÷
1
+
÷


If we use it with R1=15 and R2=10 Joe is still happy.
Not so much if we reverse the entries.