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  1. Replies
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    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...
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    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...
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    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...
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    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...
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    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:...
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    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...
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    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...
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    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. Replies
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    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...
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    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...
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    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...
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    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...
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    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...
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    *****

    *****
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    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...
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    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...
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    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...
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    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...
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    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,
    ...
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    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 :)
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    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...
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    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...
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    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. ";:...
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    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...
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    " 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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