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1. ## Thread: TI-74 Basic programs?

by thumbs
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12,232

### Parabola, 8-20-19 I have some left-over thin...

Parabola, 8-20-19

I have some left-over thin aluminum roofing flashing. I want to see if I can make a parabolic solar cooker that would grill a hamburger. I need to figure and trace out 1/2 of a...
2. ## Thread: TI-74 Basic programs?

by thumbs
Replies
31
Views
12,232

### Heat Index, 7-3-19 Summer is here. Since...

Heat Index, 7-3-19

Summer is here. Since temperature and humidity will vary from location to location, I decided to make a Heat Index program for my Ti-74 that I could use as I'm traveling and...
3. ## Thread: TI-74 Basic programs?

by thumbs
Replies
31
Views
12,232

### Right Triangle edit: 5-17-19 To be sure you're...

Right Triangle edit: 5-17-19

To be sure you're in degree mode put DEG at the beginning of 14000:

14000 DEG:PRINT "Right Triangle":PAUSE .6:RESTORE 14400:ON ERROR 14490

For labeling, x y...
4. ## Thread: TI-74 Basic programs?

by thumbs
Replies
31
Views
12,232

### Right Triangle, 5-17-19 I like playing with...

Right Triangle, 5-17-19

I like playing with old cars. I needed something more flexible than P>R and R>P for suspension geometry and body angles. I made this program for my ti74 that works a right...
5. ## Thread: TI-74 Basic programs?

by thumbs
Replies
31
Views
12,232

### Calories Burned Cycling, corrections, 4-4-19 I...

Calories Burned Cycling, corrections, 4-4-19

I found some errors. Change:

1540 IF CW\$="k"THEN WT=W:GOTO 1560

1570 IF MT\$="v"THEN 1600
1575 IF MT\$="m"THEN 1590

The Kgs example result:...
6. ## Thread: TI-74 Basic programs?

by thumbs
Replies
31
Views
12,232

### Calories Burned Cycling, 4-3-19 Now that the...

Calories Burned Cycling, 4-3-19

Now that the weather's warmer, I'm back on my bicycle. If I didn't ride my bicycle I'd probably not excercise at all. I vary my ride frequently and often wonder how...
7. ## Thread: TI-74 Basic programs?

by thumbs
Replies
31
Views
12,232

### Simpson's Rule, 3-2-19 I found this website...

Simpson's Rule, 3-2-19

I found this website that calculated the volume of an American football with a definite integral.

https://www.math.ucdavis.edu/~morris/16B/sec5.7.pdf

As I've said...
8. ## Thread: TI-74 Basic programs?

by thumbs
Replies
31
Views
12,232

### Wind Chill, 1-25-19 Sometimes the weather...

Wind Chill, 1-25-19

Sometimes the weather report doesn't give the wind chill. Sometimes my local weather conditions differ from the weather report. When it's really cold outside I like to know the...
9. ## Thread: TI-74 Basic programs?

by thumbs
Replies
31
Views
12,232

### Conversions, 1-4-19 I thought it would be nice...

Conversions, 1-4-19

I thought it would be nice to have a package of my own frequently used conversions. The layout 'mi>km', miles to kilometers, made sense to me. The number 1.6093 multiplied by...
10. ## Thread: TI-74 Basic programs?

by thumbs
Replies
31
Views
12,232

### On the Dec Bin Hex program I found an error...

On the Dec Bin Hex program I found an error today. (I can only edit up to 15 mins after I post). Line 9820 reads:

9820 IF CT<6 THEN GOSUB 9900 ELSE Z8\$=F9\$:RETURN

It should be:

9820 IF CT<6...
11. ## Thread: TI-74 Basic programs?

by thumbs
Replies
31
Views
12,232

### Bin Dec Hex, 11-28-18 I was given an old...

Bin Dec Hex, 11-28-18

I was given an old Tandy Color Computer. While playing around with it I decided I needed something to convert from binary to decimal to hex. I found these bin-dec-hex...
12. ## Thread: TI-74 Basic programs?

by thumbs
Replies
31
Views
12,232

### Drive Ratio, 11-10-18 My grandson was setting...

Drive Ratio, 11-10-18

My grandson was setting up his drive train on his air-cooled VW Bug. Since his cooling is tied to engine rpm/fan he wanted to know what his setup would be doing. I made this...
13. ## Thread: TI-74 Basic programs?

by thumbs
Replies
31
Views
12,232

### Unit-Unit, 10-30-18 I'm not very good at math....

Unit-Unit, 10-30-18

I'm not very good at math. Every now and then I play with electronics. Here's a program I wrote for the TI-74 that converts the value from one unit to another. The conversion...

by thumbs
Replies
31
Views
12,232

*****
15. ## Thread: TI-74 Basic programs?

by thumbs
Replies
31
Views
12,232

### Recently I decided to build a small stationary...

Recently I decided to build a small stationary steam engine for entertainment. Not being a professional machinist or engineer, I needed to figure out how to determine and make a small eccentric cam...
16. ## Thread: TI-74 Basic programs?

by thumbs
Replies
31
Views
12,232

### I made this small RPN style calculator mainly to...

I made this small RPN style calculator mainly to work on my old car's suspension using a polar to rectangular(pr) and a rectangular to polar(rp) routine in Basic. I find it helpful to roll over or...
17. ## Thread: TI-74 Basic programs?

by thumbs
Replies
31
Views
12,232

### I'm not sure if this will make sense to anyone...

I'm not sure if this will make sense to anyone else, but this helps me pay my bills. I admit my monthly bills are quite simple. CK in line 1 is my current checking account balance. DATE\$ is for date...
18. ## Thread: TI-74 Basic programs?

by thumbs
Replies
31
Views
12,232

### I was helping my grandson rebuild his air-cooled...

I was helping my grandson rebuild his air-cooled VW Beetle engine. He needed to determine his compression ratio for each cylinder. We went online and found compression ratio calculators. Most were...
19. ## Thread: TI-74 Basic programs?

by thumbs
Replies
31
Views
12,232

### My cardiologist said I should lose weight. So, I...

My cardiologist said I should lose weight. So, I went online to find information on calories so I could do something on my TI-74. I found this website,
...
20. ## Thread: TI-74 Basic programs?

by thumbs
Replies
31
Views
12,232

### Thanks Jack. That's good to know. I'm stilling...

Thanks Jack.

That's good to know. I'm stilling trying to get deeper into the 74.....it may take a while :)
21. ## Thread: TI-74 Basic programs?

by thumbs
Replies
31
Views
12,232

### Here are some miles per gallon programs I use. My...

Here are some miles per gallon programs I use. My old cars only have speedometers in MPH, so the input distances are in miles. I've used the first program when I've traveled through Canada. The...
22. ## Thread: TI-74 Basic programs?

by thumbs
Replies
31
Views
12,232

### I have a difficult time keeping track of...

I have a difficult time keeping track of passwords. I don't like leaving passwords around on scraps of paper. And I don't leave important information in any device that has access to the outside...
23. ## Thread: TI-74 Basic programs?

by thumbs
Replies
31
Views
12,232

### Like said, I'm no programmer. But here's a...

Like said, I'm no programmer. But here's a program to calculate the gearing of your bicycle in 'gear inches'. (check my math :)

100 PRINT "Gear Inches": PAUSE 1
110 PRINT EQA;"> wheel dia,in. ";:...
24. ## Thread: TI-74 Basic programs?

by thumbs
Replies
31
Views
12,232

### TI-74 Basic programs?

I'm not sure if this the proper place to post this, but does anyone have any TI-74 Basic language programs they'd like to share?

Like I've said, I'm no programmer, but I have couple that might be...
25. ## Thread: Peek-Poke and the TI-74?

by thumbs
Replies
13
Views
1,658

### " There are solutions which elide the PC-IF...

" There are solutions which elide the PC-IF connected PC.

Those interested may contact me. "

Thank you Jack. I may have a problem finding a suitable computer or the PC-IF. If there are...
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