One of the issues I have with J recent years is dropping the excelent wd from J6.
I loved how easy it was to create screens etc. Dropping it for an uncertain future was a really bold move. I did not like it much but went with the flow. I do like JHS and all the new things it brings. Now the new JQT seems to give us wd back and better if anything. If you want to get people interested in J in 5 minutes it is by showing some of the plot demos and show how easy the definitions are to use with your code and also how easy it is to create guis to your apps with wd commands. Working with data is fine. Being able to work with them and present them easy is great. Grid and plots mixed with wd is brilliant. Showing helps, demos and labs in 5 minutes gives good ideas. - Björn Helgason gsm:6985532 skype:gosiminn On 22.2.2014 13:26, "Don Guinn" <dongu...@gmail.com> wrote: > There are so many "what ifs" in investing, managing a home and family. At > least J makes it a lot easier to try different strategies. > > > On Sat, Feb 22, 2014 at 12:08 AM, Björn Helgason <gos...@gmail.com> wrote: > > > Talking about present value or getting a promise of something in the > > future. > > > > It is not just interest rate but also inflation you need to think about. > > > > Not to mention broken promises and not paying back in the future. > > > > Bring in the value of a hamburger now or in the future or a painting or > > gold. > > > > It sure gets more complex. > > > > What about getting a hamburger now and keeping it for a few years? > > > > It is always difficult to get people interested in something > > > > I saw a short demo recently of how to get the bones out of a chicken > with a > > minimum damage to the skin. > > > > It is pretty easy now that I know how to do it and I have done it a few > > times. > > > > I am wondering why I did not start doing it years ago. > > > > - > > Björn Helgason > > gsm:6985532 > > skype:gosiminn > > On 22.2.2014 01:42, "Don Guinn" <dongu...@gmail.com> wrote: > > > > > Years ago I was in a class where the day's topic was the present value > > and > > > future value of money. The teacher asked for a volunteer. As you know, > > kids > > > are reluctant to volunteer. He finally got a volunteer. The student > came > > > up, he gave the student a dollar and said thanks for volunteering and > he > > > could sit back down. Then he asked for another volunteer. Now lots of > > > volunteers. He picked one. He gave the student a business card which he > > > wrote on the back that he could redeem it for a dollar one year from > that > > > date. The student sat back down. > > > > > > Then the instructor asked the first volunteer if he wanted to trade, > > which > > > he didn't. The instructor asked him "Why not trade? They're both worth > a > > > dollar. Well, how much would you charge to trade?" Needless to say, the > > > following discussion made the differences between present value and > > future > > > value and risks in future investments become crystal clear. And he > never > > > had to resort to any arithmetic. > > > > > > That really taught me the importance of present value of investments > that > > > mature in the future. So I think of for example, a dollar three years > > from > > > now is only worth a little over $0.86 today at 5% interest. A different > > way > > > to look at it, but easier to explain to kids. > > > > > > I had that business card stuck on my bulletin board in my office for > > years. > > > Don't know what ever happened to it. > > > > > > ---------------------------------------------------------------------- > > > For information about J forums see http://www.jsoftware.com/forums.htm > > ---------------------------------------------------------------------- > > For information about J forums see http://www.jsoftware.com/forums.htm > > > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm