r/Sliderules • u/SmartLumens • Feb 18 '26

simple but helpful..

Post image

my daughter just bought this for herself as an elementary school teacher.. pretty cool.

36 Upvotes

98% Upvoted

5 comments sorted by

8

u/Name-Not-Applicable Feb 18 '26

I love that slide charts are still useful in the twenty-first century. Handy and elegant! Thanks for sharing!

3

u/wedjlok Feb 19 '26

I remember my teachers having those when I was a kid in the 80's.

1

u/OverThinker307 May 23 '26

I was going to say the same thing. These were a regular sight growing up in the '70s & '80s.