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I find that SPRITE N$ FLIP K does not work. I had to make a new sprite.

I find that SPRITE N$ FLIP K does not work. I had to make a new sprite.

The statement PRINT MOD(a,b) (where a & b have been given values) doesn't work. "mod" doesn't even capitalize. The program thinks it's an array so gives an error. And it's not documented that I can find (although it's mentioned in the Survival Guide). The "shortcut" statement PRINT a%b works fine. W...

I made a shortcut for DEBUG PAUSE by writing a User Defined Function "dbp", which is much faster to type. This is extremely convenient when debugging a program and you temorarily need pauses in several places. It can save a lot of typing. My function is a multi-line DEF statement: DEF dbp DEBUG PAUS...

I wrote a program on my iPad to display a compass, the needle being a Sprite. Not fancy but it worked great. Now it has stopped working - it always shows " 89° " and the needle only points left. Compass apps from the App Store work perfectly (with fancier graphics display than mine). I have checked ...

Version 5 is now uploaded. All input is in Graphics Fields - much smoother than by Text mode. Just type in the data & hit Enter. It asks if your info is correct. If you made a mistake just enter "n" where asked. It is Paused at the requested date; hit GO to continue running from there. Copy the whol...

I find that INPUT (in Text mode) acts like that normally. I more or less solved it by some re-arrangement of the input statements and inserting some PRINT statements. (It still drops to the bottom, but nothing is hidden.) However (as I got locked out of my account until today) I decided to write tha...

I will have to look into that. Possibly inserting some Print statements will help. I’m using an external keyboard, so the problem doesn’t arise. I have modified all the DRAW settings to fit it on an iPhone and I see the input “request” drops to the bottom of the screen but doesn’t cause a problem. I...

Version 4 (now posted) allows you to go directly to a specified date without displaying all the dates "getting there". Thus it arrives at the date much faster. You enter a specific date and the program will display "Calculating" for a few seconds, then display at the date you selected. Tap "Go" to s...

Version 3 of Solar System.sb (now posted) includes a (simulated) elliptical orbit for Mercury. I add this because it is almost as elliptical as Pluto, and is apparent in the display. I have also corrected the orbit "offsets" of Mercury & Pluto so that they don't vary as you change the Zoom level. (A...