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1. The threads below have not been updated since your last visit or since forums have been marked read.
2. ### Help Needed On Vector Problems

• Replies: 1
• Views: 14
Last Post: Today 06:48 AM
by HallsofIvy

Forum:
Calculus

3. ### How to make oval shape

• Replies: 2
• Views: 11
Last Post: Today 06:36 AM
by HallsofIvy

Forum:
Arithmetic

4. ### Need help writing a universal equation involving time and stepping rates.

• Replies: 35
• Views: 1,783
Last Post: Today 04:35 AM
by mmm4444bot
5. ### Li'l math puzzle

• Replies: 7
• Views: 63
Last Post: Today 03:16 AM
by mmm4444bot
6. ### Method of solving

• Replies: 4
• Views: 40
Last Post: Today 03:09 AM
by mmm4444bot
7. ### One Dual Crypt?

• Replies: 0
• Views: 8
Last Post: Today 02:50 AM
by mmm4444bot
8. ### Shrodinger's equation step

• Replies: 2
• Views: 27
Last Post: Yesterday 11:36 PM
by topsquark
9. ### Stuck on limit question (limit of e): [e^{a/x} + 1] / [e^{b/x} + 1] = a + b

• Replies: 3
• Views: 59
Last Post: Yesterday 11:17 PM
by Dr.Peterson

Forum:
Calculus

• Replies: 5
• Views: 74
Last Post: Yesterday 09:45 PM
by sinx
11. ### Get distance from XY position unto the nearest point of a square

• Replies: 3
• Views: 48
Last Post: Yesterday 09:36 PM
by sinx
12. ### Army crypt

• Replies: 18
• Views: 183
Last Post: Yesterday 08:17 PM
by Denis
13. ### two way table: 115 students attend at least one of football, tennis, and running

• Replies: 3
• Views: 38
Last Post: Yesterday 07:11 PM
by Harry_the_cat
14. ### I Need the Answers to these Problems: Two cars start out at the same spot....

• Replies: 5
• Views: 116
Last Post: Yesterday 05:31 PM
by spaceshowfeature1
15. ### How to calculate Umbrella type generator

• Replies: 5
• Views: 63
Last Post: Yesterday 03:35 PM
by JeffM

Forum:
Arithmetic

16. ### Probability: There are three white balls in a pocket, a red ball (X), and a blue ball

• Replies: 2
• Views: 43
Last Post: Yesterday 03:29 PM
by JeffM
17. ### Set Theory Expression Simplification: {[(A∪B) ∩ C]' ∪ B'}' ∪ C

• Replies: 1
• Views: 25
Last Post: Yesterday 03:21 PM
by Dr.Peterson
18. ### Statistics probability help: 3 teenagers take a pass/fail driving test

• Replies: 1
• Views: 37
Last Post: Yesterday 02:41 PM
by Dr.Peterson
19. ### How to add this number x+y+z 3x+2y+3z where it is used

• Replies: 3
• Views: 42
Last Post: Yesterday 01:30 PM
by Denis

Forum:
Arithmetic

20. ### Don`t shop in this kind of supermarket! Prob. random customer has error in bill

• Replies: 9
• Views: 176
Last Post: Yesterday 01:23 PM
by JeffM
21. ### Arithmetic Sequence: Sum of 1st 4 terms, if 6th is 8, 10th is 13

• Replies: 3
• Views: 36
Last Post: Yesterday 12:27 PM
by HallsofIvy
22. ### Mean Value Theorem: Show that |tanA−tanB|≥|A−B| for all A and B

• Replies: 7
• Views: 103
Last Post: Yesterday 10:18 AM
by Dr.Peterson

Forum:
Calculus

23. ### Percentage profit: Calculate the percentage profit on a computer sold in the sale.

• Replies: 1
• Views: 27
Last Post: Yesterday 08:30 AM
by Harry_the_cat

Forum:
Arithmetic

24. ### chess board 2018x 2018 was covered with one square plate 2x2 and (2018^2 - 4)/5 recta

• Replies: 0
• Views: 24
Last Post: Yesterday 08:09 AM
by strydrath

Forum:
Calculus

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