# Math Topics Forum

Pre-University Math Topics Help Forum: For all other pre-university math help topics including chemistry and physics

1. ### Got a physics question or interested in physics?

• Replies: 17
• Views: 5,341
Apr 6th 2016, 07:07 AM
2. ### Problem-Solving Strategy

• Replies: 1
• Views: 2,690
Oct 20th 2012, 08:19 AM
1. ### Dumming down the image gradient formula

• Replies: 1
• Views: 474
Apr 30th 2012, 07:49 PM

• Replies: 1
• Views: 407
Apr 27th 2012, 03:14 PM
3. ### Length of journey in air, made by plane?

• Replies: 3
• Views: 753
Apr 26th 2012, 01:47 AM
4. ### Quotient or Product

• Replies: 5
• Views: 400
Apr 25th 2012, 12:11 PM
5. ### Let U denote the right half plane {(u,v)∈R^2 ∶u>0}

• Replies: 4
• Views: 876
Apr 25th 2012, 08:54 AM
6. ### Unsigned intger, sign magnitude notation (Binary)

• Replies: 3
• Views: 1,477
Apr 25th 2012, 07:43 AM
7. ### Define a function z = f(x,y) by f(0,0) = 0 and otherwise

• Replies: 3
• Views: 687
Apr 25th 2012, 07:43 AM
8. ### Suppose that F: Rn -> Rn is continuously differentiable everywhere

• Replies: 0
• Views: 393
Apr 24th 2012, 12:06 AM
9. ### [SOLVED] 2+2= 8 ; is this proof correct?

• Replies: 21
• Views: 2,295
Apr 21st 2012, 01:52 PM
10. ### Projecting forward

• Replies: 0
• Views: 478
Apr 19th 2012, 10:51 AM
11. ### Help with percentages....

• Replies: 6
• Views: 640
Apr 19th 2012, 02:04 AM
12. ### Orthogonality problem

• Replies: 4
• Views: 599
Apr 18th 2012, 04:30 AM
13. ### weight in volume calculation

• Replies: 2
• Views: 674
Apr 18th 2012, 04:24 AM
14. ### Need help with Kinematics

• Replies: 0
• Views: 369
Apr 17th 2012, 11:59 AM
15. ### card game problem

• Replies: 1
• Views: 398
Apr 17th 2012, 10:41 AM
16. ### The ratio is 1 to 1.618?

• Replies: 6
• Views: 1,304
Apr 17th 2012, 06:41 AM
17. ### Electrostatic forces - resultant force & unit vector

• Replies: 0
• Views: 657
Apr 16th 2012, 05:30 AM

• Replies: 3
• Views: 413
Apr 15th 2012, 12:08 PM
19. ### Cryptography (Hill + Playfair) For anyone who loves a challenge, I need some brains

• Replies: 1
• Views: 756
Apr 15th 2012, 06:12 AM
20. ### Cartesian coordinate help

• Replies: 11
• Views: 720
Apr 14th 2012, 06:47 AM
21. ### Totally confused! Where is the missing number?!

• Replies: 1
• Views: 546
Apr 13th 2012, 02:14 PM
22. ### Hello I'm new to MHF! I have a question involving series/ratio test.

• Replies: 1
• Views: 552
Apr 11th 2012, 11:03 PM
23. ### Need some help with word pattern/sequence :(

• Replies: 2
• Views: 1,168
Apr 11th 2012, 06:58 PM
24. ### how can I solve this story problem?

• Replies: 10
• Views: 718
Apr 6th 2012, 08:42 AM
25. ### B = A + (n/(b+1))*(1-A) Please check if this function is mathematically sound

• Replies: 1
• Views: 453
Apr 2nd 2012, 05:17 AM
26. ### Optimization Problem

• Replies: 2
• Views: 394
Mar 28th 2012, 03:51 PM

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