Does school count?We had to use a subtense bar to determine the baseline distance for one of our trianglation assignments at college.(22+ yrs ago)

I Used one of them over 20 yrs ago.Did quite a few solars with a T2. Hope it finds a good home.I still have a T2. take out to show kids the ring on Sa...

I need a backup. I'll take it if it is still available.I have a brand new battery. Mine has problems with the touchscreen, and I am not sure how much ...

where can i find listing of TDS Ranger Hot-keys/ShortcutsCan anyone help me find a list of All the keyboard shortcuts for the ranger 200?The tab key t...

SMI v8HiI bought an Allegro CE with SMI v8 to use as a backup. I like the way SMI feels but have not done much with this DC since I had no way of down...